Commit Graph

693541 Commits

Author SHA1 Message Date
Edward Cree
b03c9f9fdc bpf/verifier: track signed and unsigned min/max values
Allows us to, sometimes, combine information from a signed check of one
 bound and an unsigned check of the other.
We now track the full range of possible values, rather than restricting
 ourselves to [0, 1<<30) and considering anything beyond that as
 unknown.  While this is probably not necessary, it makes the code more
 straightforward and symmetrical between signed and unsigned bounds.

Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-08 17:51:34 -07:00
Edward Cree
f1174f77b5 bpf/verifier: rework value tracking
Unifies adjusted and unadjusted register value types (e.g. FRAME_POINTER is
 now just a PTR_TO_STACK with zero offset).
Tracks value alignment by means of tracking known & unknown bits.  This
 also replaces the 'reg->imm' (leading zero bits) calculations for (what
 were) UNKNOWN_VALUEs.
If pointer leaks are allowed, and adjust_ptr_min_max_vals returns -EACCES,
 treat the pointer as an unknown scalar and try again, because we might be
 able to conclude something about the result (e.g. pointer & 0x40 is either
 0 or 0x40).
Verifier hooks in the netronome/nfp driver were changed to match the new
 data structures.

Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-08 17:51:34 -07:00
Greg Edwards
1a6c4a3b1e igb: expose mailbox unlock method
Add a mailbox unlock method to e1000_mbx_operations, which will be used
to unlock the PF/VF mailbox by the PF.

Signed-off-by: Greg Edwards <gedwards@ddn.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2017-08-08 17:50:46 -07:00
Greg Edwards
09fc97ba3e igb: add argument names to mailbox op function declarations
Signed-off-by: Greg Edwards <gedwards@ddn.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2017-08-08 17:48:10 -07:00
Arvind Yadav
e1cb90f2b8 net: usb: rtl8150: constify usb_device_id
usb_device_id are not supposed to change at runtime. All functions
working with usb_device_id provided by <linux/usb.h> work with
const usb_device_id. So mark the non-const structs as const.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-08 17:47:59 -07:00
Arvind Yadav
9b4355fb03 net: usb: r8152: constify usb_device_id
usb_device_id are not supposed to change at runtime. All functions
working with usb_device_id provided by <linux/usb.h> work with
const usb_device_id. So mark the non-const structs as const.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-08 17:47:59 -07:00
Arvind Yadav
06fa59a018 net: usb: kaweth: constify usb_device_id
usb_device_id are not supposed to change at runtime. All functions
working with usb_device_id provided by <linux/usb.h> work with
const usb_device_id. So mark the non-const structs as const.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-08 17:47:59 -07:00
Arvind Yadav
9befbe13eb net: usb: ipheth: constify usb_device_id
usb_device_id are not supposed to change at runtime. All functions
working with usb_device_id provided by <linux/usb.h> work with
const usb_device_id. So mark the non-const structs as const.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-08 17:47:58 -07:00
Arvind Yadav
7f04c61d91 net: usb: cdc-phonet: constify usb_device_id
usb_device_id are not supposed to change at runtime. All functions
working with usb_device_id provided by <linux/usb.h> work with
const usb_device_id. So mark the non-const structs as const.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-08 17:47:58 -07:00
Arvind Yadav
2f622c4951 net: usb: catc: constify usb_device_id and fix space before '[' error
usb_device_id are not supposed to change at runtime. All functions
working with usb_device_id provided by <linux/usb.h> work with
const usb_device_id. So mark the non-const structs as const.

Fix checkpatch.pl error:
ERROR: space prohibited before open square bracket '['.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-08 17:47:58 -07:00
Arvind Yadav
d1bb5aaa29 net: irda: stir4200: constify usb_device_id
usb_device_id are not supposed to change at runtime. All functions
working with usb_device_id provided by <linux/usb.h> work with
const usb_device_id. So mark the non-const structs as const.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-08 17:47:58 -07:00
Arvind Yadav
4730279f10 net: irda: mcs7780: constify usb_device_id
usb_device_id are not supposed to change at runtime. All functions
working with usb_device_id provided by <linux/usb.h> work with
const usb_device_id. So mark the non-const structs as const.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-08 17:47:58 -07:00
Arvind Yadav
7f4e87e971 net: irda: ksdazzle: constify usb_device_id
usb_device_id are not supposed to change at runtime. All functions
working with usb_device_id provided by <linux/usb.h> work with
const usb_device_id. So mark the non-const structs as const.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-08 17:47:58 -07:00
Arvind Yadav
10ffb42270 net: irda: ks959: constify usb_device_id
usb_device_id are not supposed to change at runtime. All functions
working with usb_device_id provided by <linux/usb.h> work with
const usb_device_id. So mark the non-const structs as const.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-08 17:47:58 -07:00
Arvind Yadav
fa00f26ff6 net: irda: kingsun: constify usb_device_id
usb_device_id are not supposed to change at runtime. All functions
working with usb_device_id provided by <linux/usb.h> work with
const usb_device_id. So mark the non-const structs as const.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-08 17:47:58 -07:00
Arvind Yadav
42e6b92de8 net: irda: irda-usb: constify usb_device_id
usb_device_id are not supposed to change at runtime. All functions
working with usb_device_id provided by <linux/usb.h> work with
const usb_device_id. So mark the non-const structs as const.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-08 17:47:58 -07:00
Corinna Vinschen
2643e6e902 igb: Remove incorrect "unexpected SYS WRAP" log message
TSAUXC.DisableSystime is never set, so SYSTIM runs into a SYS WRAP
every 1100 secs on 80580/i350/i354 (40 bit SYSTIM) and every 35000
secs on 80576 (45 bit SYSTIM).

This wrap event sets the TSICR.SysWrap bit unconditionally.

However, checking TSIM at interrupt time shows that this event does not
actually cause the interrupt.  Rather, it's just bycatch while the
actual interrupt is caused by, for instance, TSICR.TXTS.

The conclusion is that the SYS WRAP is actually expected, so the
"unexpected SYS WRAP" message is entirely bogus and just helps to
confuse users.  Drop it.

Signed-off-by: Corinna Vinschen <vinschen@redhat.com>
Acked-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2017-08-08 17:46:25 -07:00
Gustavo A R Silva
d75372a2da e1000e: add check on e1e_wphy() return value
Check return value from call to e1e_wphy(). This value is being
checked during previous calls to function e1e_wphy() and it seems
a check was missing here.

Addresses-Coverity-ID: 1226905
Signed-off-by: Gustavo A R Silva <garsilva@embeddedor.com>
Reviewed-by: Ethan Zhao <ethan.zhao@oracle.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2017-08-08 17:44:53 -07:00
Cliff Spradlin
26bd4e2db0 igb: protect TX timestamping from API misuse
HW timestamping can only be requested for a packet if the NIC is first
setup via ioctl(SIOCSHWTSTAMP). If this step was skipped, then the igb
driver still allowed TX packets to request HW timestamping. In this
situation, the _IGB_PTP_TX_IN_PROGRESS flag was set and would never
clear. This prevented any future HW timestamping requests to succeed.

Fix this by checking that the NIC is configured for HW TX timestamping
before accepting a HW TX timestamping request.

Signed-off-by: Cliff Spradlin <cspradlin@google.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2017-08-08 17:43:18 -07:00
Gangfeng Huang
94221ae75c igb: Fix error of RX network flow classification
After add an ethertype filter, if user change the adapter speed several
times, the error "ethtool -N: etype filters are all used" is reported by
igb driver.

In older patch, function igb_nfc_filter_exit() and igb_nfc_filter_restore()
is not paried. igb_nfc_filter_restore() exist in igb_up(), but function
igb_nfc_filter_exit() is exist in __igb_close(). In the process of speed
changing, only igb_nfc_filter_restore() is called, it will take a position
of ethertype bitmap.

Reproduce steps:
Step 1: Add a etype filter by ethtool
$ethtool -N eth0 flow-type ether proto 0x88F8 action 1
Step 2: Change the adapter speed to 100M/full duplex
$ethtool -s eth0 speed 100 duplex full
Step 3: Change the adapter speed to 1000M/full duplex
ethtool -s eth0 speed 1000 duplex full
Repeat step2 and step3, then dmesg the system log, you can find the error
message, add new ethtype filter is also failed.

This fixing is move igb_nfc_filter_exit() from __igb_close() to igb_down()
to make igb_nfc_filter_restore()/igb_nfc_filter_exit() is paired.

Signed-off-by: Gangfeng Huang <gangfeng.huang@ni.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2017-08-08 17:28:29 -07:00
Linus Torvalds
bfa738cf3d Third set of -rc fixes for 4.13 cycle
- small set of miscellanous fixes
 - a reasonably sizable set of IPoIB fixes that deal with multiple long
   standing issues
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma

Pull rdma fixes from Doug Ledford:
 "Third set of -rc fixes for 4.13 cycle

   - small set of miscellanous fixes

   - a reasonably sizable set of IPoIB fixes that deal with multiple
     long standing issues"

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma:
  IB/hns: checking for IS_ERR() instead of NULL
  RDMA/mlx5: Fix existence check for extended address vector
  IB/uverbs: Fix device cleanup
  RDMA/uverbs: Prevent leak of reserved field
  IB/core: Fix race condition in resolving IP to MAC
  IB/ipoib: Notify on modify QP failure only when relevant
  Revert "IB/core: Allow QP state transition from reset to error"
  IB/ipoib: Remove double pointer assigning
  IB/ipoib: Clean error paths in add port
  IB/ipoib: Add get statistics support to SRIOV VF
  IB/ipoib: Add multicast packets statistics
  IB/ipoib: Set IPOIB_NEIGH_TBL_FLUSH after flushed completion initialization
  IB/ipoib: Prevent setting negative values to max_nonsrq_conn_qp
  IB/ipoib: Make sure no in-flight joins while leaving that mcast
  IB/ipoib: Use cancel_delayed_work_sync when needed
  IB/ipoib: Fix race between light events and interface restart
2017-08-08 11:42:33 -07:00
Joe Perches
b95c29a20f parse-maintainers: Move matching sections from MAINTAINERS
Allow any number of command line arguments to match either the
section header or the section contents and create new files.

Create MAINTAINERS.new and SECTION.new.

This allows scripting of the movement of various sections from
MAINTAINERS.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-08-08 11:16:14 -07:00
Joe Perches
fe9090301f parse-maintainers: Use perl hash references and specific filenames
Instead of reading STDIN and writing STDOUT, use specific filenames of
MAINTAINERS and MAINTAINERS.new.

Use hash references instead of global hash %hash so future modifications
can read and write specific hashes to split up MAINTAINERS into multiple
files using a script.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-08-08 11:16:14 -07:00
Joe Perches
61f741645a parse-maintainers: Add section pattern sorting
Section [A-Z]: patterns are not currently in any required sorting order.
Add a specific sorting sequence to MAINTAINERS entries.
Sort F: and X: patterns in alphabetic order.

The preferred section ordering is:

  SECTION HEADER
  M:	Maintainers
  R:	Reviewers
  P:	Named persons without email addresses
  L:	Mailing list addresses
  S:	Status of this section (Supported, Maintained, Orphan, etc...)
  W:	Any relevant URLs
  T:	Source code control type (git, quilt, etc)
  Q:	Patchwork patch acceptance queue site
  B:	Bug tracking URIs
  C:	Chat URIs
  F:	Files with wildcard patterns (alphabetic ordered)
  X:	Excluded files with wildcard patterns (alphabetic ordered)
  N:	Files with regex patterns
  K:	Keyword regexes in source code for maintainership identification

Miscellaneous perl neatening:

 - Rename %map to %hash, map has a different meaning in perl
 - Avoid using \& and local variables for function indirection
 - Use return for a little c like clarity
 - Use c-like function call style instead of &function

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-08-08 11:16:13 -07:00
Joe Perches
6f7d98ec44 get_maintainer: Prepare for separate MAINTAINERS files
Allow for MAINTAINERS to become a directory and if it is,
read all the files in the directory for maintained sections.

Optionally look for all files named MAINTAINERS in directories
excluding the .git directory by using --find-maintainer-files.

This optional feature adds ~.3 seconds of CPU on an Intel
i5-6200 with an SSD.

Miscellanea:

 - Create a read_maintainer_file subroutine from the existing code
 - Test only the existence of MAINTAINERS, not whether it's a file

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-08-08 11:09:31 -07:00
Randy Dunlap
6209ef6788 MAINTAINERS: openbmc mailing list is moderated
The openbmc mailing list is moderated for non-subscribers.

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Brendan Higgins <brendanhiggins@google.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Joel Stanley <joel@jms.id.au>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-08-08 11:09:31 -07:00
Sedat Dilek
a1ffc2d25a MAINTAINERS: greybus: Fix typo s/LOOBACK/LOOPBACK
Fixes: f47e07bc5f ("Fix up MAINTAINERS file problems")
Cc: Joe Perches <joe@perches.com>
Signed-off-by: Sedat Dilek <sedat.dilek@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-08-08 11:09:31 -07:00
Linus Torvalds
de70be0ae3 SCSI fixes on 20170808
Two small fixes, one re-fix of a previous fix and five patches sorting
 out hotplug in the bnx2X class of drivers.  The latter is rather
 involved, but necessary because these drivers have started dropping
 lockdep recursion warnings on the hotplug lock because of its
 conversion to a percpu rwsem.
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.vnet.ibm.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:
 "Two small fixes, one re-fix of a previous fix and five patches sorting
  out hotplug in the bnx2X class of drivers. The latter is rather
  involved, but necessary because these drivers have started dropping
  lockdep recursion warnings on the hotplug lock because of its
  conversion to a percpu rwsem"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  scsi: sg: only check for dxfer_len greater than 256M
  scsi: aacraid: reading out of bounds
  scsi: qedf: Limit number of CQs
  scsi: bnx2i: Simplify cpu hotplug code
  scsi: bnx2fc: Simplify CPU hotplug code
  scsi: bnx2i: Prevent recursive cpuhotplug locking
  scsi: bnx2fc: Prevent recursive cpuhotplug locking
  scsi: bnx2fc: Plug CPU hotplug race
2017-08-08 09:38:41 -07:00
Helge Deller
51d96dc2e2 random: fix warning message on ia64 and parisc
Fix the warning message on the parisc and IA64 architectures to show the
correct function name of the caller by using %pS instead of %pF. The
message is printed with the value of _RET_IP_ which calls
__builtin_return_address(0) and as such returns the IP address caller
instead of pointer to a function descriptor of the caller.

The effect of this patch is visible on the parisc and ia64 architectures
only since those are the ones which use function descriptors while on
all others %pS and %pF will behave the same.

Cc: Theodore Ts'o <tytso@mit.edu>
Cc: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Helge Deller <deller@gmx.de>
Fixes: eecabf5674 ("random: suppress spammy warnings about unseeded randomness")
Fixes: d06bfd1989 ("random: warn when kernel uses unseeded randomness")
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-08-08 09:36:46 -07:00
Linus Torvalds
623ce34566 Xtensa fixes for v4.13-rc4
- use asm-generic instances of asm/param.h and asm/device.h instead of exact
   copies in arch/xtensa/include/asm;
 - fix build error for xtensa cores with aliasing WT cache: define cache
   flushing functions and copy_{to,from}_user_page;
 - add missing EXPORT_SYMBOLs for clear_user_highpage, copy_user_highpage,
   flush_dcache_page, local_flush_cache_range, local_flush_cache_page,
   csum_partial and csum_partial_copy_generic.
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Merge tag 'xtensa-20170807' of git://github.com/jcmvbkbc/linux-xtensa

Pull Xtensa fixes from Max Filippov:

 - use asm-generic instances of asm/param.h and asm/device.h instead of
   exact copies in arch/xtensa/include/asm;

 - fix build error for xtensa cores with aliasing WT cache: define cache
   flushing functions and copy_{to,from}_user_page;

 - add missing EXPORT_SYMBOLs for clear_user_highpage, copy_user_highpage,
   flush_dcache_page, local_flush_cache_range, local_flush_cache_page,
   csum_partial and csum_partial_copy_generic.

* tag 'xtensa-20170807' of git://github.com/jcmvbkbc/linux-xtensa:
  xtensa: mm/cache: add missing EXPORT_SYMBOLs
  xtensa: don't limit csum_partial export by CONFIG_NET
  xtensa: fix cache aliasing handling code for WT cache
  xtensa: remove wrapper header for asm/param.h
  xtensa: remove wrapper header for asm/device.h
2017-08-07 18:58:10 -07:00
Linus Torvalds
d16b9d223b MTD fixes for 4.13-rc5:
Just NAND fixes (in both the core handling, and a few drivers). Notes stolen
 from Boris:
 
 Core fixes:
 - Fix data interface setup for ONFI NANDs that do not support the SET
   FEATURES command
 - Fix a kernel doc header
 - Fix potential integer overflow when retrieving timing information
   from the parameter page
 - Fix wrong OOB layout for small page NANDs
 
 Driver fixes:
 - Fix potential division-by-zero bug
 - Fix backward compat with old atmel-nand DT bindings
 - Fix ->setup_data_interface() in the atmel NAND driver
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Merge tag 'for-linus-20170807' of git://git.infradead.org/linux-mtd

Pull MTD fixes from Brian Norris:
 "I missed getting these out for rc4, but here are some MTD fixes.

  Just NAND fixes (in both the core handling, and a few drivers). Notes
  stolen from Boris:

  Core fixes:

   - fix data interface setup for ONFI NANDs that do not support the SET
     FEATURES command

   - fix a kernel doc header

   - fix potential integer overflow when retrieving timing information
     from the parameter page

   - fix wrong OOB layout for small page NANDs

  Driver fixes:

   - fix potential division-by-zero bug

   - fix backward compat with old atmel-nand DT bindings

   - fix ->setup_data_interface() in the atmel NAND driver"

* tag 'for-linus-20170807' of git://git.infradead.org/linux-mtd:
  mtd: nand: atmel: Fix EDO mode check
  mtd: nand: Declare tBERS, tR and tPROG as u64 to avoid integer overflow
  mtd: nand: Fix timing setup for NANDs that do not support SET FEATURES
  mtd: nand: Fix a docs build warning
  mtd: nand: sunxi: fix potential divide-by-zero error
  nand: fix wrong default oob layout for small pages using soft ecc
  mtd: nand: atmel: Fix DT backward compatibility in pmecc.c
2017-08-07 18:40:18 -07:00
Linus Torvalds
1742c0f055 Changes since last update:
- Fix memory leak when issuing discard
 - Fix propagation of the dax inode flag
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Merge tag 'xfs-4.13-fixes-3' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux

Pull xfs fixes from Darrick Wong:
 "I have a couple more bug fixes for you today:

   - fix memory leak when issuing discard

   - fix propagation of the dax inode flag"

* tag 'xfs-4.13-fixes-3' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
  xfs: Fix per-inode DAX flag inheritance
  xfs: Fix leak of discard bio
2017-08-07 18:16:22 -07:00
David Ahern
53b9483565 net: vrf: Add extack messages for newlink failures
Add extack error messages for failure paths creating vrf devices. Once
extack support is added to iproute2, we go from the unhelpful:
    $  ip li add foobar type vrf
    RTNETLINK answers: Invalid argument

to:
    $ ip li add foobar type vrf
    Error: VRF table id is missing

Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-07 15:16:33 -07:00
Christophe Jaillet
eb2a6b800c qed: Fix a memory allocation failure test in 'qed_mcp_cmd_init()'
We allocate 'p_info->mfw_mb_cur' and 'p_info->mfw_mb_shadow' but we check
'p_info->mfw_mb_addr' instead of 'p_info->mfw_mb_cur'.

'p_info->mfw_mb_addr' is never 0, because it is initiliazed a few lines
above in 'qed_load_mcp_offsets()'.

Update the test and check the result of the 2 'kzalloc()' instead.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Acked-by: Tomer Tayar <Tomer.Tayar@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-07 14:56:15 -07:00
Bhumika Goyal
733a707d6c isdn: kcapi: make capi_version const
Declare this structure as const as it is only used during a copy
operation.

Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-07 14:55:36 -07:00
David S. Miller
38db25aeda Merge branch 'Update-DSAs-FDB-API-and-perform-switchdev-cleanup'
Arkadi Sharshevsky says:

====================
Update DSA's FDB API and perform switchdev cleanup

The patchset adds support for configuring static FDB entries via the
switchdev notification chain. The current method for FDB configuration
uses the switchdev's bridge bypass implementation. In order to support
this legacy way and to perform the switchdev cleanup, the implementation
is moved inside DSA.

The DSA drivers cannot sync the software bridge with hardware learned
entries and use the switchdev's implementation of bypass FDB dumping.
Because they are the only ones using this functionality, the fdb_dump
implementation is moved from switchdev code into DSA.

Finally after this changes a major cleanup in switchdev can be done.

Please see individual patches for patch specific change logs.
v1->v2
- Split MDB/vlan dump removal into core/driver removal.

v2->v3
- The self implementation for FDB add/del is moved inside DSA.
====================

Tested-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-07 14:49:17 -07:00
Arkadi Sharshevsky
29ab586c3d net: switchdev: Remove bridge bypass support from switchdev
Currently the bridge port flags, vlans, FDBs and MDBs can be offloaded
through the bridge code, making the switchdev's SELF bridge bypass
implementation to be redundant. This implies several changes:
- No need for dump infra in switchdev, DSA's special case is handled
  privately.
- Remove obj_dump from switchdev_ops.
- FDBs are removed from obj_add/del routines, due to the fact that they
  are offloaded through the bridge notification chain.
- The switchdev_port_bridge_xx() and switchdev_port_fdb_xx() functions
  can be removed.

Signed-off-by: Arkadi Sharshevsky <arkadis@mellanox.com>
Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Ivan Vecera <ivecera@redhat.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-07 14:48:48 -07:00
Arkadi Sharshevsky
3a83c2a7a5 net: bridge: Remove FDB deletion through switchdev object
At this point no driver supports FDB add/del through switchdev object
but rather via notification chain, thus, it is removed.

Signed-off-by: Arkadi Sharshevsky <arkadis@mellanox.com>
Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Reviewed-by: Ivan Vecera <ivecera@redhat.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-07 14:48:48 -07:00
Arkadi Sharshevsky
2bedde1abb net: dsa: Move FDB dump implementation inside DSA
>From all switchdev devices only DSA requires special FDB dump. This is due
to lack of ability for syncing the hardware learned FDBs with the bridge.
Due to this it is removed from switchdev and moved inside DSA.

Signed-off-by: Arkadi Sharshevsky <arkadis@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-07 14:48:48 -07:00
Arkadi Sharshevsky
dc0cbff3ff net: dsa: Remove redundant MDB dump support
Currently the MDB HW database is synced with the bridge's one, thus,
There is no need to support special dump functionality.

Signed-off-by: Arkadi Sharshevsky <arkadis@mellanox.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-07 14:48:48 -07:00
Arkadi Sharshevsky
180b072eb0 net: dsa: Remove support for MDB dump from DSA's drivers
This is done as a preparation before removing support for MDB dump from
DSA core. The MDBs are synced with the bridge and thus there is no
need for special dump operation support.

Signed-off-by: Arkadi Sharshevsky <arkadis@mellanox.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-07 14:48:48 -07:00
Arkadi Sharshevsky
c069fcd82c net: dsa: Remove support for bypass bridge port attributes/vlan set
The bridge port attributes/vlan for DSA devices should be set only
from bridge code. Furthermore, The vlans are synced totally with the
bridge so there is no need for special dump support.

Signed-off-by: Arkadi Sharshevsky <arkadis@mellanox.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-07 14:48:48 -07:00
Arkadi Sharshevsky
a0b6b8c9fa net: dsa: Remove support for vlan dump from DSA's drivers
This is done as a preparation before removing support for vlan dump from
DSA core. The vlans are synced with the bridge and thus there is no
need for special dump operation support.

Signed-off-by: Arkadi Sharshevsky <arkadis@mellanox.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-07 14:48:48 -07:00
Arkadi Sharshevsky
c9e2105e29 net: dsa: Add support for querying supported bridge flags
The DSA drivers do not support bridge flags offload. Yet, this attribute
should be added in order for the bridge to fail when one tries set a
flag on the port, as explained in commit dc0ecabd62 ("net: switchdev:
Add support for querying supported bridge flags by hardware").

Signed-off-by: Arkadi Sharshevsky <arkadis@mellanox.com>
Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-07 14:48:48 -07:00
Arkadi Sharshevsky
37b8da1a3c net: dsa: Move FDB add/del implementation inside DSA
Currently DSA uses switchdev's implementation of FDB add/del ndos. This
patch moves the implementation inside DSA in order to support the legacy
way for static FDB configuration.

Signed-off-by: Arkadi Sharshevsky <arkadis@mellanox.com>
Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-07 14:48:48 -07:00
Arkadi Sharshevsky
c9eb3e0f87 net: dsa: Add support for learning FDB through notification
Add support for learning FDB through notification. The driver defers
the hardware update via ordered work queue. In case of a successful
FDB add a notification is sent back to bridge.

In case of hw FDB del failure the static FDB will be deleted from
the bridge, thus, the interface is moved to down state in order to
indicate inconsistent situation.

Signed-off-by: Arkadi Sharshevsky <arkadis@mellanox.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-07 14:48:48 -07:00
Arkadi Sharshevsky
2acf4e6a89 net: dsa: Remove switchdev dependency from DSA switch notifier chain
Currently, the switchdev objects are embedded inside the DSA notifier
info. This patch removes this dependency. This is done as a preparation
stage before adding support for learning FDB through the switchdev
notification chain.

Signed-off-by: Arkadi Sharshevsky <arkadis@mellanox.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-07 14:48:48 -07:00
Arkadi Sharshevsky
1b6dd556c3 net: dsa: Remove prepare phase for FDB
The prepare phase for FDB add is unneeded because most of DSA devices
can have failures during bus transactions (SPI, I2C, etc.), thus, the
prepare phase cannot guarantee success of the commit stage.

The support for learning FDB through notification chain, which will be
introduced in the following patches, will provide the ability to notify
back the bridge about successful offload.

Signed-off-by: Arkadi Sharshevsky <arkadis@mellanox.com>
Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-07 14:48:47 -07:00
Arkadi Sharshevsky
6c2c1dcb18 net: dsa: Change DSA slave FDB API to be switchdev independent
In order to support FDB add/del to be on a notifier chain the slave
API need to be changed to be switchdev independent.

Signed-off-by: Arkadi Sharshevsky <arkadis@mellanox.com>
Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-07 14:48:47 -07:00
Bhumika Goyal
511aeaf466 hamradio: baycom: make hdlcdrv_ops const
Make hdlcdrv_ops structures const as they are only passed to
hdlcdrv_register function. The corresponding argument is of type const,
so make the structures const.

Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-07 14:26:46 -07:00