Commit Graph

519808 Commits

Author SHA1 Message Date
Linus Torvalds
de182468d1 Merge branch 'for-next' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs fixes from Steve French:
 "Back from SambaXP - now have 8 small CIFS bug fixes to merge"

* 'for-next' of git://git.samba.org/sfrench/cifs-2.6:
  CIFS: Fix race condition on RFC1002_NEGATIVE_SESSION_RESPONSE
  Fix to convert SURROGATE PAIR
  cifs: potential missing check for posix_lock_file_wait
  Fix to check Unique id and FileType when client refer file directly.
  CIFS: remove an unneeded NULL check
  [cifs] fix null pointer check
  Fix that several functions handle incorrect value of mapchars
  cifs: Don't replace dentries for dfs mounts
2015-05-27 14:09:16 -07:00
Linus Torvalds
8f98bcdf8f Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:

 1) Don't use MMIO on certain iwlwifi devices otherwise we get a
    firmware crash.

 2) Don't corrupt the GRO lists of mac80211 contexts by doing sends via
    timer interrupt, from Johannes Berg.

 3) SKB tailroom is miscalculated in AP_VLAN crypto code, from Michal
    Kazior.

 4) Fix fw_status memory leak in iwlwifi, from Haim Dreyfuss.

 5) Fix use after free in iwl_mvm_d0i3_enable_tx(), from Eliad Peller.

 6) JIT'ing of large BPF programs is broken on x86, from Alexei
    Starovoitov.

 7) EMAC driver ethtool register dump size is miscalculated, from Ivan
    Mikhaylov.

 8) Fix PHY initial link mode when autonegotiation is disabled in
    amd-xgbe, from Tom Lendacky.

 9) Fix NULL deref on SOCK_DEAD socket in AF_UNIX and CAIF protocols,
    from Mark Salyzyn.

10) credit_bytes not initialized properly in xen-netback, from Ross
   Lagerwall.

11) Fallback from MSI-X to INTx interrupts not handled properly in mlx4
    driver, fix from Benjamin Poirier.

12) Perform ->attach() after binding dev->qdisc in packet scheduler,
    otherwise we can crash.  From Cong WANG.

13) Don't clobber data in sctp_v4_map_v6().  From Jason Gunthorpe.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (30 commits)
  sctp: Fix mangled IPv4 addresses on a IPv6 listening socket
  net_sched: invoke ->attach() after setting dev->qdisc
  xen-netfront: properly destroy queues when removing device
  mlx4_core: Fix fallback from MSI-X to INTx
  xen/netback: Properly initialize credit_bytes
  net: netxen: correct sysfs bin attribute return code
  tools: bpf_jit_disasm: fix segfault on disabled debugging log output
  unix/caif: sk_socket can disappear when state is unlocked
  amd-xgbe-phy: Fix initial mode when autoneg is disabled
  net: dp83640: fix improper double spin locking.
  net: dp83640: reinforce locking rules.
  net: dp83640: fix broken calibration routine.
  net: stmmac: create one debugfs dir per net-device
  net/ibm/emac: fix size of emac dump memory areas
  x86: bpf_jit: fix compilation of large bpf programs
  net: phy: bcm7xxx: Fix 7425 PHY ID and flags
  iwlwifi: mvm: avoid use-after-free on iwl_mvm_d0i3_enable_tx()
  iwlwifi: mvm: clean net-detect info if device was reset during suspend
  iwlwifi: mvm: take the UCODE_DOWN reference when resuming
  iwlwifi: mvm: BT Coex - duplicate the command if sent ASYNC
  ...
2015-05-27 13:41:13 -07:00
Jason Gunthorpe
9302d7bb0c sctp: Fix mangled IPv4 addresses on a IPv6 listening socket
sctp_v4_map_v6 was subtly writing and reading from members
of a union in a way the clobbered data it needed to read before
it read it.

Zeroing the v6 flowinfo overwrites the v4 sin_addr with 0, meaning
that every place that calls sctp_v4_map_v6 gets ::ffff:0.0.0.0 as the
result.

Reorder things to guarantee correct behaviour no matter what the
union layout is.

This impacts user space clients that open an IPv6 SCTP socket and
receive IPv4 connections. Prior to 299ee user space would see a
sockaddr with AF_INET and a correct address, after 299ee the sockaddr
is AF_INET6, but the address is wrong.

Fixes: 299ee123e1 (sctp: Fixup v4mapped behaviour to comply with Sock API)
Signed-off-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-05-27 14:15:26 -04:00
WANG Cong
86e363dc3b net_sched: invoke ->attach() after setting dev->qdisc
For mq qdisc, we add per tx queue qdisc to root qdisc
for display purpose, however, that happens too early,
before the new dev->qdisc is finally set, this causes
q->list points to an old root qdisc which is going to be
freed right before assigning with a new one.

Fix this by moving ->attach() after setting dev->qdisc.

For the record, this fixes the following crash:

 ------------[ cut here ]------------
 WARNING: CPU: 1 PID: 975 at lib/list_debug.c:59 __list_del_entry+0x5a/0x98()
 list_del corruption. prev->next should be ffff8800d1998ae8, but was 6b6b6b6b6b6b6b6b
 CPU: 1 PID: 975 Comm: tc Not tainted 4.1.0-rc4+ #1019
 Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
  0000000000000009 ffff8800d73fb928 ffffffff81a44e7f 0000000047574756
  ffff8800d73fb978 ffff8800d73fb968 ffffffff810790da ffff8800cfc4cd20
  ffffffff814e725b ffff8800d1998ae8 ffffffff82381250 0000000000000000
 Call Trace:
  [<ffffffff81a44e7f>] dump_stack+0x4c/0x65
  [<ffffffff810790da>] warn_slowpath_common+0x9c/0xb6
  [<ffffffff814e725b>] ? __list_del_entry+0x5a/0x98
  [<ffffffff81079162>] warn_slowpath_fmt+0x46/0x48
  [<ffffffff81820eb0>] ? dev_graft_qdisc+0x5e/0x6a
  [<ffffffff814e725b>] __list_del_entry+0x5a/0x98
  [<ffffffff814e72a7>] list_del+0xe/0x2d
  [<ffffffff81822f05>] qdisc_list_del+0x1e/0x20
  [<ffffffff81820cd1>] qdisc_destroy+0x30/0xd6
  [<ffffffff81822676>] qdisc_graft+0x11d/0x243
  [<ffffffff818233c1>] tc_get_qdisc+0x1a6/0x1d4
  [<ffffffff810b5eaf>] ? mark_lock+0x2e/0x226
  [<ffffffff817ff8f5>] rtnetlink_rcv_msg+0x181/0x194
  [<ffffffff817ff72e>] ? rtnl_lock+0x17/0x19
  [<ffffffff817ff72e>] ? rtnl_lock+0x17/0x19
  [<ffffffff817ff774>] ? __rtnl_unlock+0x17/0x17
  [<ffffffff81855dc6>] netlink_rcv_skb+0x4d/0x93
  [<ffffffff817ff756>] rtnetlink_rcv+0x26/0x2d
  [<ffffffff818544b2>] netlink_unicast+0xcb/0x150
  [<ffffffff81161db9>] ? might_fault+0x59/0xa9
  [<ffffffff81854f78>] netlink_sendmsg+0x4fa/0x51c
  [<ffffffff817d6e09>] sock_sendmsg_nosec+0x12/0x1d
  [<ffffffff817d8967>] sock_sendmsg+0x29/0x2e
  [<ffffffff817d8cf3>] ___sys_sendmsg+0x1b4/0x23a
  [<ffffffff8100a1b8>] ? native_sched_clock+0x35/0x37
  [<ffffffff810a1d83>] ? sched_clock_local+0x12/0x72
  [<ffffffff810a1fd4>] ? sched_clock_cpu+0x9e/0xb7
  [<ffffffff810def2a>] ? current_kernel_time+0xe/0x32
  [<ffffffff810b4bc5>] ? lock_release_holdtime.part.29+0x71/0x7f
  [<ffffffff810ddebf>] ? read_seqcount_begin.constprop.27+0x5f/0x76
  [<ffffffff810b6292>] ? trace_hardirqs_on_caller+0x17d/0x199
  [<ffffffff811b14d5>] ? __fget_light+0x50/0x78
  [<ffffffff817d9808>] __sys_sendmsg+0x42/0x60
  [<ffffffff817d9838>] SyS_sendmsg+0x12/0x1c
  [<ffffffff81a50e97>] system_call_fastpath+0x12/0x6f
 ---[ end trace ef29d3fb28e97ae7 ]---

For long term, we probably need to clean up the qdisc_graft() code
in case it hides other bugs like this.

Fixes: 95dc19299f ("pkt_sched: give visibility to mq slave qdiscs")
Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-05-27 14:09:55 -04:00
David Vrabel
ad06811857 xen-netfront: properly destroy queues when removing device
xennet_remove() freed the queues before freeing the netdevice which
results in a use-after-free when free_netdev() tries to delete the
napi instances that have already been freed.

Fix this by fully destroy the queues (which includes deleting the napi
instances) before freeing the netdevice.

Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-05-27 14:02:28 -04:00
Linus Torvalds
7ffb9e116f Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:
 "This tree includes:

   - a fix that disables the compacted FPU XSAVE format by disabling
     XSAVES support: the fixes are too complex and the breakages
     ABI-affecting, so we want this to be quirked off in a robust way
     and backported, to make sure no broken kernel is exposed to the new
     hardware (which exposure is still very limited).

   - an MCE printk message fix

   - a documentation fix"

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/fpu: Disable XSAVES* support for now
  x86/Documentation: Update the contact email for L3 cache index disable functionality
  x86/mce: Fix MCE severity messages
2015-05-27 11:00:50 -07:00
Linus Torvalds
70d7d88f49 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mattst88/alpha
Pull alpha updates from Matt Turner:
 "Please pull a small collection of patches that I've been neglecting.

  Probably most importantly are the patches that wire up the new
  syscalls needed by udev and the fix to the bootp{,z}file targets"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mattst88/alpha:
  alpha: kernel: osf_sys: Set 'kts.tv_nsec' only when 'tv' has effect
  alpha: Wire up all missing implemented syscalls
  alpha: Fix bootpfile and bootpzfile make targets
  alpha: copy_thread(): rename 'arg' argument to 'kthread_arg'
  alpha: delete non-required instances of <linux/init.h>
  alpha: don't use module_init for non-modular core code
  smp, alpha: kill SMP single function call interrupt
  alpha: Remove #include <uapi/asm/types.h> from <asm/types.h>
  alpha: clean up unnecessary MSI/MSI-X capability find
2015-05-27 10:52:13 -07:00
Benjamin Poirier
f4ecf29fd7 mlx4_core: Fix fallback from MSI-X to INTx
The test in mlx4_load_one() to remove MLX4_FLAG_MSI_X expects mlx4_NOP() to
fail with -EBUSY. It is also necessary to avoid the reset since the device
is not fully reinitialized before calling mlx4_start_hca() a second time.

Note that this will also affect mlx4_test_interrupts(), the only other user
of MLX4_CMD_NOP.

Fixes: f5aef5a ("net/mlx4_core: Activate reset flow upon fatal command cases")
Signed-off-by: Benjamin Poirier <bpoirier@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-05-27 13:08:03 -04:00
Rusty Russell
83a35114d0 lguest: fix out-by-one error in address checking.
This bug has been there since day 1; addresses in the top guest physical
page weren't considered valid.  You could map that page (the check in
check_gpte() is correct), but if a guest tried to put a pagetable there
we'd check that address manually when walking it, and kill the guest.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-05-27 09:57:21 -07:00
Ross Lagerwall
ce0e5c522d xen/netback: Properly initialize credit_bytes
Commit e9ce7cb6b1 ("xen-netback: Factor queue-specific data into queue
struct") introduced a regression when moving queue-specific data into
the queue struct by failing to set the credit_bytes field. This
prevented bandwidth limiting from working. Initialize the field as it
was done before multiqueue support was added.

Signed-off-by: Ross Lagerwall <ross.lagerwall@citrix.com>
Acked-by: Wei Liu <wei.liu2@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-05-27 12:56:55 -04:00
Linus Torvalds
3cfd4ba7d3 Merge branch 'overlayfs-next' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs
Pull two overlayfs fixes from Miklos Szeredi:
 "Overlayfs rmdir() failed to check for emptiness in one case; this was
  introduced in 4.0.  The other bug was there since day one: failure to
  mount if upper fs is full, which bit some OpenWRT folks"

* 'overlayfs-next' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs:
  ovl: mount read-only if workdir can't be created
  ovl: don't remove non-empty opaque directory
2015-05-27 09:47:57 -07:00
Linus Torvalds
1b887bf31d One simple fix to repair broken regulator probe() in DA9052
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Merge tag 'mfd-fixes-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull an MFD fix from Lee Jones:
 "One simple fix to repair broken regulator probe() in DA9052"

* tag 'mfd-fixes-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd:
  mfd: da9052: Fix broken regulator probe
2015-05-27 09:06:59 -07:00
Linus Torvalds
30a7266f30 One simple fix to correctly handle -EPROBE_DEFER
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Merge tag 'backlight-fixes-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight

Pull backlight fix from Lee Jones:
 "One simple fix to correctly handle -EPROBE_DEFER"

* tag 'backlight-fixes-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight:
  backlight: pwm: Handle EPROBE_DEFER while requesting the PWM
2015-05-27 08:56:21 -07:00
Linus Torvalds
c09b5cbd0d Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fix from Herbert Xu:
 "This disables the newly (4.1) added user-space AEAD interface so that
  we can fix issues in the underlying kernel AEAD interface.  Once the
  new kernel AEAD interface is ready we can then reenable the user-space
  AEAD interface"

* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
  crypto: algif_aead - Disable AEAD user-space for now
2015-05-27 08:40:44 -07:00
Johan Hovold
e0c21530fa mfd: da9052: Fix broken regulator probe
Fix broken probe of da9052 regulators, which since commit b3f6c73db7
("mfd: da9052-core: Fix platform-device id collision") use a
non-deterministic platform-device id to retrieve static regulator
information. Fortunately, adequate error handling was in place so probe
would simply fail with an error message.

Update the mfd-cell ids to be zero-based and use those to identify the
cells when probing the regulator devices.

Fixes: b3f6c73db7 ("mfd: da9052-core: Fix platform-device id collision")
Cc: stable <stable@vger.kernel.org>	# v3.19
Signed-off-by: Johan Hovold <johan@kernel.org>
Acked-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Reviewed-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2015-05-27 13:34:15 +01:00
Vladimir Zapolskiy
748a7295d7 net: netxen: correct sysfs bin attribute return code
If read() syscall requests unexpected number of bytes from "dimm" binary
attribute file, return EINVAL instead of EPERM.

At the same time pin down sysfs file size to the fixed
sizeof(struct netxen_dimm_cfg), which allows to exploit some missing
sanity checks from kernfs (file boundary checks vs offset etc.)

Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-05-27 00:25:33 -04:00
Daniel Borkmann
082739aa45 tools: bpf_jit_disasm: fix segfault on disabled debugging log output
With recent debugging, I noticed that bpf_jit_disasm segfaults when
there's no debugging output from the JIT compiler to the kernel log.

Reason is that when regexec(3) doesn't match on anything, start/end
offsets are not being filled out and contain some uninitialized garbage
from stack. Thus, we need zero out offsets first.

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-05-27 00:24:10 -04:00
Mark Salyzyn
b48732e4a4 unix/caif: sk_socket can disappear when state is unlocked
got a rare NULL pointer dereference in clear_bit

Signed-off-by: Mark Salyzyn <salyzyn@android.com>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
----
v2: switch to sock_flag(sk, SOCK_DEAD) and added net/caif/caif_socket.c
v3: return -ECONNRESET in upstream caller of wait function for SOCK_DEAD
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-05-26 23:19:29 -04:00
Lendacky, Thomas
983942a5ea amd-xgbe-phy: Fix initial mode when autoneg is disabled
When the ethtool command is used to set the speed of the device while
the device is down, the check to set the initial mode may fail when
the device is brought up, causing failure to bring the device up.

Update the code to set the initial mode based on the desired speed if
auto-negotiation is disabled.

This patch fixes a bug introduced by:
d9663c8c21 ("amd-xgbe-phy: Use phydev advertising field vs supported")

Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-05-26 19:47:30 -04:00
David S. Miller
fe9066ade6 We have three more fixes:
* AP_VLAN tailroom calculation fix, the bug leads to warnings
    along with dropped packets
  * NAPI context issue, calling napi_gro_receive() from a timer
    (obviously) can lead to crashes
  * remain-on-channel combining leads to dropped requests and not
    being able to finish certain operations, so remove it
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Merge tag 'mac80211-for-davem-2015-05-26' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211

Johannes Berg says:

====================
We have three more fixes:
 * AP_VLAN tailroom calculation fix, the bug leads to warnings
   along with dropped packets
 * NAPI context issue, calling napi_gro_receive() from a timer
   (obviously) can lead to crashes
 * remain-on-channel combining leads to dropped requests and not
   being able to finish certain operations, so remove it
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2015-05-26 19:38:53 -04:00
Chen Gang
cceaeddc2e alpha: kernel: osf_sys: Set 'kts.tv_nsec' only when 'tv' has effect
The related warning:

    CC      init/do_mounts.o
  arch/alpha/kernel/osf_sys.c: In function 'SyS_osf_settimeofday':
  arch/alpha/kernel/osf_sys.c:1028:14: warning: 'kts.tv_nsec' may be used uninitialized in this function [-Wmaybe-uninitialized]
    kts.tv_nsec *= 1000;
                ^
  arch/alpha/kernel/osf_sys.c:1016:18: note: 'kts' was declared here
    struct timespec kts;
                    ^

Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Signed-off-by: Matt Turner <mattst88@gmail.com>
2015-05-26 10:01:51 -07:00
Chen Gang
228fa858e5 alpha: Wire up all missing implemented syscalls
And still left the missing unimplemented syscalls as warnings. The
related warnings for missing implemented syscalls:

    CALL    scripts/checksyscalls.sh
  <stdin>:1241:2: warning: #warning syscall getrandom not implemented [-Wcpp]
  <stdin>:1244:2: warning: #warning syscall memfd_create not implemented [-Wcpp]
  <stdin>:1250:2: warning: #warning syscall execveat not implemented [-Wcpp]

Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Signed-off-by: Matt Turner <mattst88@gmail.com>
2015-05-26 10:01:50 -07:00
Helge Deller
2343060380 alpha: Fix bootpfile and bootpzfile make targets
Fix the bootpfile and bootpzfile make targets to creat BOOTP images.
Both targets were broken due to some missing defines to re-map ELF
constants. In addition the old code used the generic vsprintf function
of the kernel which we now replace by a simple and much smaller
implementation for the bootloader.

Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Matt Turner <mattst88@gmail.com>
2015-05-26 10:01:50 -07:00
Alex Dowad
9f7b2d1f02 alpha: copy_thread(): rename 'arg' argument to 'kthread_arg'
The 'arg' argument to copy_thread() is only ever used when forking a new
kernel thread. Hence, rename it to 'kthread_arg' for clarity (and consistency
with do_fork() and other arch-specific implementations of copy_thread()).

Signed-off-by: Alex Dowad <alexinbeijing@gmail.com>
Signed-off-by: Matt Turner <mattst88@gmail.com>
2015-05-26 10:01:49 -07:00
Paul Gortmaker
0bc25674a4 alpha: delete non-required instances of <linux/init.h>
None of these files are actually using any __init type directives
and hence don't need to include <linux/init.h>.  Most are just a
left over from __devinit and __cpuinit removal, or simply due to
code getting copied from one driver to the next.

Acked-by: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Matt Turner <mattst88@gmail.com>
Cc: linux-alpha@vger.kernel.org
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Matt Turner <mattst88@gmail.com>
2015-05-26 10:01:48 -07:00
Paul Gortmaker
11447c7c4f alpha: don't use module_init for non-modular core code
The srm console is always built in.  It will never be modular,
so using module_init as an alias for __initcall is rather
misleading.

Fix this up now, so that we can relocate module_init from
init.h into module.h in the future.  If we don't do this, we'd
have to add module.h to obviously non-modular code, and that
would be a worse thing.

Direct use of __initcall is discouraged, vs prioritized ones.
Use of device_initcall is consistent with what __initcall
maps onto, and hence does not change the init order, making the
impact of this change zero.   Should someone with real hardware
for boot testing want to change it later to arch_initcall or
console_initcall, they can do that at a later date.

Reviewed-by: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Acked-by: Matt Turner <mattst88@gmail.com>
Cc: linux-alpha@vger.kernel.org
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Matt Turner <mattst88@gmail.com>
2015-05-26 10:01:47 -07:00
Jiang Liu
614aab527b smp, alpha: kill SMP single function call interrupt
Commit 9a46ad6d6d "smp: make smp_call_function_many() use logic
similar to smp_call_function_single()" has unified the way to handle
single and multiple cross-CPU function calls. Now only one interrupt
is needed for architecture specific code to support generic SMP function
call interfaces, so kill the redundant single function call interrupt.

Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Shaohua Li <shli@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Jiri Kosina <trivial@kernel.org>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Acked-by: Matt Turner <mattst88@gmail.com>
Cc: linux-alpha@vger.kernel.org
Signed-off-by: Jiang Liu <liuj97@gmail.com>
Signed-off-by: Matt Turner <mattst88@gmail.com>
2015-05-26 10:01:46 -07:00
Geert Uytterhoeven
ae6d78d78a alpha: Remove #include <uapi/asm/types.h> from <asm/types.h>
Everything in arch/alpha/include/uapi/asm/types.h is protected by
"#ifndef __KERNEL__", so it's unused for kernelspace.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Acked-by: Matt Turner <mattst88@gmail.com>
Cc: linux-alpha@vger.kernel.org
Signed-off-by: Matt Turner <mattst88@gmail.com>
2015-05-26 10:01:45 -07:00
Yijing Wang
ebdd117e5a alpha: clean up unnecessary MSI/MSI-X capability find
PCI core will initialize device MSI/MSI-X capability in
pci_msi_init_pci_dev(). So device driver should use
pci_dev->msi_cap/msix_cap to determine whether the device
support MSI/MSI-X instead of using
pci_find_capability(pci_dev, PCI_CAP_ID_MSI/MSIX).
Access to PCIe device config space again will consume more time.

Signed-off-by: Yijing Wang <wangyijing@huawei.com>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Acked-by: Matt Turner <mattst88@gmail.com>
Cc: Phil Carmody <pc+lkml@asdf.org>
Cc: linux-alpha@vger.kernel.org
Signed-off-by: Matt Turner <mattst88@gmail.com>
2015-05-26 10:01:44 -07:00
Herbert Xu
f858c7bcca crypto: algif_aead - Disable AEAD user-space for now
The newly added AEAD user-space isn't quite ready for prime time
just yet.  In particular it is conflicting with the AEAD single
SG list interface change so this patch disables it now.

Once the SG list stuff is completely done we can then renable
this interface.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2015-05-26 15:51:45 +08:00
Nicolas Ferre
68feaca0b1 backlight: pwm: Handle EPROBE_DEFER while requesting the PWM
When trying to request the PWM device with devm_pwm_get(), the EPROBE_DEFER
flag is not handled properly. It can lead to the PWM not being found.

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Thierry Reding <thierry.reding@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2015-05-26 08:44:59 +01:00
David S. Miller
5f59102fdc Merge branch 'phyter-bug-fixes'
Richard Cochran says:

====================
phyter bug fixes

While working on a project using the phyter, I noticed some bugs that
have crept in over time.  This series fixes those bugs.  These patches
are also meant for stable.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2015-05-25 18:22:00 -04:00
Richard Cochran
adbe088f6f net: dp83640: fix improper double spin locking.
A pair of nested spin locks was introduced in commit 63502b8d0
"dp83640: Fix receive timestamp race condition".

Unfortunately the 'flags' parameter was reused for the inner lock,
clobbering the originally saved IRQ state.  This patch fixes the issue
by changing the inner lock to plain spin_lock without irqsave.

Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-05-25 18:21:59 -04:00
Richard Cochran
a935865c82 net: dp83640: reinforce locking rules.
Callers of the ext_write function are supposed to hold a mutex that
protects the state of the dialed page, but one caller was missing the
lock from the very start, and over time the code has been changed
without following the rule.  This patch cleans up the call sites in
violation of the rule.

Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-05-25 18:21:59 -04:00
Richard Cochran
397a253af5 net: dp83640: fix broken calibration routine.
Currently, the calibration function that corrects the initial offsets
among multiple devices only works the first time.  If the function is
called more than once, the calibration fails and bogus offsets will be
programmed into the devices.

In a well hidden spot, the device documentation tells that trigger indexes
0 and 1 are special in allowing the TRIG_IF_LATE flag to actually work.

This patch fixes the issue by using one of the special triggers during the
recalibration method.

Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-05-25 18:21:59 -04:00
Linus Torvalds
a8b253b9f2 Pin control fixes for the v4.1 kernel cycle:
- IRQ trigger fix for the Intel Cherryview.
 - GPIO-to-pin mapping fix for the Cygnus driver.
 - GPIO-to-pin mapping fix for the Meson8b driver.
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Merge tag 'pinctrl-v4.1-4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pin control fixes from Linus Walleij:
 "Here are some three pin control fixes for the v4.1 cycle, all
  driver-specific.  Business as usual and calm as it should be in this
  portion of the merge window.

   - IRQ trigger fix for the Intel Cherryview

   - GPIO-to-pin mapping fix for the Cygnus driver

   - GPIO-to-pin mapping fix for the Meson8b driver"

* tag 'pinctrl-v4.1-4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
  pinctrl: Fix gpio/pin mapping for Meson8b
  pinctrl: cygnus: fixed incorrect GPIO-pin mapping
  pinctrl: cherryview: Read triggering type from HW if not set when requested
2015-05-25 15:15:54 -07:00
Linus Torvalds
e7db38a2ef GPIO fixes for the v4.1 series:
- A leak in gpiochip_add path destined for stable.
 - A kempld driver bug destined for stable.
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Merge tag 'gpio-v4.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio

Pull GPIO fixes from Linus Walleij:
 "Here are two GPIO fixes targeted for stable:

   - a leak in gpiochip_add path destined for stable

   - a kempld driver bug destined for stable"

* tag 'gpio-v4.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
  gpio: gpio-kempld: Fix get_direction return value
  gpio: fix gpio leak in gpiochip_add error path
2015-05-25 15:10:59 -07:00
Mathieu Olivari
466c5ac8bd net: stmmac: create one debugfs dir per net-device
stmmac DebugFS entries are currently global to the driver. As a result,
having more than one stmmac device in the system creates the following
error:
* ERROR stmmaceth, debugfs create directory failed
* stmmac_hw_setup: failed debugFS registration

This also results in being able to access the debugfs information for
the first registered device only.

This patch changes the debugfs structure to have one sub-directory per
net-device. Files under "/sys/kernel/debug/stmmaceth" will now show-up
under /sys/kernel/debug/stmmaceth/ethN/.

Signed-off-by: Mathieu Olivari <mathieu@codeaurora.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-05-25 17:38:23 -04:00
Ivan Mikhaylov
5369c71f7c net/ibm/emac: fix size of emac dump memory areas
Fix in send of emac regs dump to ethtool which
causing in wrong data interpretation on ethtool
layer for MII and EMAC.

Signed-off-by: Ivan Mikhaylov <ivan@ru.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-05-25 16:38:55 -04:00
David S. Miller
c260c2f1e3 iwlwifi:
* fix firmware name and other things to enable 3165
 * fix bad APMG configuration for 8000 (no AMPG on these devices)
 * fix MAC address assignment for 8000
 * fix firmware debugging triggers (MLME)
 * fix several bugs in low power states code (net-detect, d0i3)
 
 ssb:
 
 * fix reboot after device reset for WRT350N v1
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Merge tag 'wireless-drivers-for-davem-2015-05-25' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers

Kalle Valo says:

====================
iwlwifi:

* fix firmware name and other things to enable 3165
* fix bad APMG configuration for 8000 (no AMPG on these devices)
* fix MAC address assignment for 8000
* fix firmware debugging triggers (MLME)
* fix several bugs in low power states code (net-detect, d0i3)

ssb:

* fix reboot after device reset for WRT350N v1
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2015-05-25 13:08:59 -04:00
Alexei Starovoitov
3f7352bf21 x86: bpf_jit: fix compilation of large bpf programs
x86 has variable length encoding. x86 JIT compiler is trying
to pick the shortest encoding for given bpf instruction.
While doing so the jump targets are changing, so JIT is doing
multiple passes over the program. Typical program needs 3 passes.
Some very short programs converge with 2 passes. Large programs
may need 4 or 5. But specially crafted bpf programs may hit the
pass limit and if the program converges on the last iteration
the JIT compiler will be producing an image full of 'int 3' insns.
Fix this corner case by doing final iteration over bpf program.

Fixes: 0a14842f5a ("net: filter: Just In Time compiler for x86-64")
Reported-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Alexei Starovoitov <ast@plumgrid.com>
Tested-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-05-25 00:18:35 -04:00
Florian Fainelli
cc4a84c3da net: phy: bcm7xxx: Fix 7425 PHY ID and flags
While adding support for 7425 PHY in the 7xxx PHY driver, the ID that
was used was actually coming from an external PHY: a BCM5461x. Fix this
by using the proper ID for the internal 7425 PHY and set the
PHY_IS_INTERNAL flag, otherwise consumers of this PHY driver would not
be able to properly identify it as such.

Fixes: d068b02cfd ("net: phy: add BCM7425 and BCM7429 PHYs")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Petri Gynther <pgynther@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-05-25 00:16:07 -04:00
Linus Torvalds
ba155e2d21 Linux 4.1-rc5 2015-05-24 18:22:35 -07:00
Linus Torvalds
5b13966693 SCSI fixes on 20150523
This is a set of five fixes: Two MAINTAINER email updates (urgent because the
 non-avagotech emails will start bouncing) an lpfc big endian oops fix, a 256
 byte sector hang fix (to eliminate 256 byte sectors) and a storvsc fix which
 could cause test unit ready failures on bringup.
 
 Signed-off-by: James Bottomley <JBottomley@Odin.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI fixes from James Bottomley:
 "This is a set of five fixes: Two MAINTAINER email updates (urgent
  because the non-avagotech emails will start bouncing) an lpfc big
  endian oops fix, a 256 byte sector hang fix (to eliminate 256 byte
  sectors) and a storvsc fix which could cause test unit ready failures
  on bringup"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  MAINTAINERS: Revise lpfc maintainers for Avago Technologies ownership of Emulex
  MAINTAINERS, be2iscsi: change email domain
  sd: Disable support for 256 byte/sector disks
  lpfc: Fix breakage on big endian kernels
  storvsc: Set the SRB flags correctly when no data transfer is needed
2015-05-24 11:15:28 -07:00
Linus Torvalds
c5db6a3bde Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fix from Thomas Gleixner:
 "One more fix from the timer departement:

    - Handle division of negative nanosecond values proper on 32bit.

      A recent cleanup wrecked the sign handling of the dividend and
      dropped the check for negative divisors"

* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  ktime: Fix ktime_divns to do signed division
2015-05-23 17:57:40 -07:00
Linus Torvalds
9bd4459a3d Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irqchip fix from Thomas Gleixner:
 "A fix for a GIC-V3 irqchip regression which prevents some systems from
  booting"

* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  irqchip/gicv3-its: ITS table size should not be smaller than PSZ
2015-05-23 17:33:10 -07:00
Linus Torvalds
086e8ddb56 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client
Pull two Ceph fixes from Sage Weil:
 "These fix an issue with the RBD notifications when there are topology
  changes in the cluster"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client:
  Revert "libceph: clear r_req_lru_item in __unregister_linger_request()"
  libceph: request a new osdmap if lingering request maps to no osd
2015-05-23 11:28:25 -07:00
Linus Torvalds
7ce14f6ff2 Merge branch 'for-linus-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
Pull btrfs fixes from Chris Mason:
 "I fixed up a regression from 4.0 where conversion between different
  raid levels would sometimes bail out without converting.

  Filipe tracked down a race where it was possible to double allocate
  chunks on the drive.

  Mark has a fix for fiemap.  All three will get bundled off for stable
  as well"

* 'for-linus-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
  Btrfs: fix regression in raid level conversion
  Btrfs: fix racy system chunk allocation when setting block group ro
  btrfs: clear 'ret' in btrfs_check_shared() loop
2015-05-23 11:14:10 -07:00
Linus Torvalds
cf539cbd8a Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
 "Radeon has two displayport fixes, one for a regression.

  i915 regression flicker fix needed so 4.0 can get fixed.

  A bunch of msm fixes and a bunch of exynos fixes, these two are
  probably a bit larger than I'd like, but most of them seems pretty
  good"

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: (29 commits)
  drm/radeon: fix error flag checking in native aux path
  drm/radeon: retry dcpd fetch
  drm/msm/mdp5: fix incorrect parameter for msm_framebuffer_iova()
  drm/exynos: dp: Lower level of EDID read success message
  drm/exynos: cleanup exynos_drm_plane
  drm/exynos: 'win' is always unsigned
  drm/exynos: mixer: don't dump registers under spinlock
  drm/exynos: Consolidate return statements in fimd_bind()
  drm/exynos: Constify exynos_drm_crtc_ops
  drm/exynos: Fix build breakage on !DRM_EXYNOS_FIMD
  drm/exynos: mixer: Constify platform_device_id
  drm/exynos: mixer: cleanup pixelformat handling
  drm/exynos: mixer: also allow NV21 for the video processor
  drm/exynos: mixer: remove buffer count handling in vp_video_buffer()
  drm/exynos: plane: honor buffer offset for dma_addr
  drm/exynos: fb: use drm_format_num_planes to get buffer count
  drm/i915: fix screen flickering
  drm/msm: fix locking inconsistencies in gpu->destroy()
  drm/msm/dsi: Simplify the code to get the number of read byte
  drm/msm: Attach assigned encoder to eDP and DSI connectors
  ...
2015-05-22 17:34:24 -07:00
Linus Torvalds
0b6280c620 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:

 1) Don't leak ipvs->sysctl_tbl, from Tommi Rentala.

 2) Fix neighbour table entry leak in rocker driver, from Ying Xue.

 3) Do not emit bonding notifications for unregistered interfaces, from
    Nicolas Dichtel.

 4) Set ipv6 flow label properly when in TIME_WAIT state, from Florent
    Fourcot.

 5) Fix regression in ipv6 multicast filter test, from Henning Rogge.

 6) do_replace() in various footables netfilter modules is missing a
    check for 0 counters in the datastructure provided by the user.  Fix
    from Dave Jones, and found with trinity.

 7) Fix RCU bug in packet scheduler classifier module unloads, from
    Daniel Borkmann.

 8) Avoid deadlock in tcp_get_info() by using u64_sync.  From Eric
    Dumzaet.

 9) Input packet processing can race with inetdev_destroy() teardown,
    fix potential OOPS in ip_error() by explicitly testing whether the
    inetdev is still attached.  From Eric W Biederman.

10) MLDv2 parser in bridge multicast code breaks too early while
    parsing.  Fix from Thadeu Lima de Souza Cascardo.

11) Asking for settings on non-zero PHYID doesn't work because we do not
    import the command structure from the user and use the PHYID
    provided there.  Fix from Arun Parameswaran.

12) Fix UDP checksums with IPV6 RAW sockets, from Vlad Yasevich.

13) Missing NF_TABLES depends for TPROXY etc can cause build failures,
    fix from Florian Westphal.

14) Fix netfilter conntrack to handle RFC5961 challenge ACKs properly,
    from Jesper Dangaard Brouer.

15) If netlink autobind retry fails, we have to reset the sockets portid
    back to zero.  From Herbert Xu.

16) VXLAN netns exit code unregisters using wrong device, from John W
    Linville.

17) Add some USB device IDs to ath3k and btusb bluetooth drivers, from
    Dmitry Tunin and Wen-chien Jesse Sung.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (44 commits)
  bridge: fix lockdep splat
  net: core: 'ethtool' issue with querying phy settings
  bridge: fix parsing of MLDv2 reports
  ARM: zynq: DT: Use the zynq binding with macb
  net: macb: Disable half duplex gigabit on Zynq
  net: macb: Document zynq gem dt binding
  ipv4: fill in table id when replacing a route
  cdc_ncm: Fix tx_bytes statistics
  ipv4: Avoid crashing in ip_error
  tcp: fix a potential deadlock in tcp_get_info()
  net: sched: fix call_rcu() race on classifier module unloads
  net: phy: Make sure phy_start() always re-enables the phy interrupts
  ipv6: fix ECMP route replacement
  ipv6: do not delete previously existing ECMP routes if add fails
  Revert "netfilter: bridge: query conntrack about skb dnat"
  netfilter: ensure number of counters is >0 in do_replace()
  netfilter: nfnetlink_{log,queue}: Register pernet in first place
  tcp: don't over-send F-RTO probes
  tcp: only undo on partial ACKs in CA_Loss
  net/ipv6/udp: Fix ipv6 multicast socket filter regression
  ...
2015-05-22 15:44:50 -07:00