Pull networking fixes from David Miller:
1) Fix leak in nl80211 AP start where we leak the ACL memory, from
Johannes Berg.
2) Fix double mutex unlock in mac80211, from Andrei Otcheretianski.
3) Fix RCU stall in ipset, from Jozsef Kadlecsik.
4) Fix devlink locking in devlink_dpipe_table_register, from Madhuparna
Bhowmik.
5) Fix race causing TX hang in ll_temac, from Esben Haabendal.
6) Stale eth hdr pointer in br_dev_xmit(), from Nikolay Aleksandrov.
7) Fix TX hash calculation bounds checking wrt. tc rules, from Amritha
Nambiar.
8) Size netlink responses properly in schedule action code to take into
consideration TCA_ACT_FLAGS. From Jiri Pirko.
9) Fix firmware paths for mscc PHY driver, from Antoine Tenart.
10) Don't register stmmac notifier multiple times, from Aaro Koskinen.
11) Various rmnet bug fixes, from Taehee Yoo.
12) Fix vsock deadlock in vsock transport release, from Stefano
Garzarella.
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (61 commits)
net: dsa: mv88e6xxx: Fix masking of egress port
mlxsw: pci: Wait longer before accessing the device after reset
sfc: fix timestamp reconstruction at 16-bit rollover points
vsock: fix potential deadlock in transport->release()
unix: It's CONFIG_PROC_FS not CONFIG_PROCFS
net: rmnet: fix packet forwarding in rmnet bridge mode
net: rmnet: fix bridge mode bugs
net: rmnet: use upper/lower device infrastructure
net: rmnet: do not allow to change mux id if mux id is duplicated
net: rmnet: remove rcu_read_lock in rmnet_force_unassociate_device()
net: rmnet: fix suspicious RCU usage
net: rmnet: fix NULL pointer dereference in rmnet_changelink()
net: rmnet: fix NULL pointer dereference in rmnet_newlink()
net: phy: marvell: don't interpret PHY status unless resolved
mlx5: register lag notifier for init network namespace only
unix: define and set show_fdinfo only if procfs is enabled
hinic: fix a bug of rss configuration
hinic: fix a bug of setting hw_ioctxt
hinic: fix a irq affinity bug
net/smc: check for valid ib_client_data
...
de80f95ccb ("PCI: cadence: Move all files to per-device cadence
directory") moved files of the PCI cadence drivers, but did not update the
MAINTAINERS entry.
Since then, ./scripts/get_maintainer.pl --self-test complains:
warning: no file matches F: drivers/pci/controller/pcie-cadence*
Repair the MAINTAINERS entry.
Link: https://lore.kernel.org/r/20200221185402.4703-1-lukas.bulwahn@gmail.com
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
We must set MSG_CMSG_COMPAT if we're in compatability mode, otherwise
the iovec import for these commands will not do the right thing and fail
the command with -EINVAL.
Found by running the test suite compiled as 32-bit.
Cc: stable@vger.kernel.org
Fixes: aa1fa28fc7 ("io_uring: add support for recvmsg()")
Fixes: 0fa03c624d ("io_uring: add support for sendmsg()")
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Add missing ~ to the usage of the mask.
Reported-by: Kevin Benson <Kevin.Benson@zii.aero>
Reported-by: Chris Healy <Chris.Healy@zii.aero>
Fixes: 5c74c54ce6 ("net: dsa: mv88e6xxx: Split monitor port configuration")
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
During initialization the driver issues a reset to the device and waits
for 100ms before checking if the firmware is ready. The waiting is
necessary because before that the device is irresponsive and the first
read can result in a completion timeout.
While 100ms is sufficient for Spectrum-1 and Spectrum-2, it is
insufficient for Spectrum-3.
Fix this by increasing the timeout to 200ms.
Fixes: da382875c6 ("mlxsw: spectrum: Extend to support Spectrum-3 ASIC")
Signed-off-by: Amit Cohen <amitc@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
We can't just use the top bits of the last sync event as they could be
off-by-one every 65,536 seconds, giving an error in reconstruction of
65,536 seconds.
This patch uses the difference in the bottom 16 bits (mod 2^16) to
calculate an offset that needs to be applied to the last sync event to
get to the current time.
Signed-off-by: Alexandru-Mihai Maftei <amaftei@solarflare.com>
Acked-by: Martin Habets <mhabets@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Some transports (hyperv, virtio) acquire the sock lock during the
.release() callback.
In the vsock_stream_connect() we call vsock_assign_transport(); if
the socket was previously assigned to another transport, the
vsk->transport->release() is called, but the sock lock is already
held in the vsock_stream_connect(), causing a deadlock reported by
syzbot:
INFO: task syz-executor280:9768 blocked for more than 143 seconds.
Not tainted 5.6.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor280 D27912 9768 9766 0x00000000
Call Trace:
context_switch kernel/sched/core.c:3386 [inline]
__schedule+0x934/0x1f90 kernel/sched/core.c:4082
schedule+0xdc/0x2b0 kernel/sched/core.c:4156
__lock_sock+0x165/0x290 net/core/sock.c:2413
lock_sock_nested+0xfe/0x120 net/core/sock.c:2938
virtio_transport_release+0xc4/0xd60 net/vmw_vsock/virtio_transport_common.c:832
vsock_assign_transport+0xf3/0x3b0 net/vmw_vsock/af_vsock.c:454
vsock_stream_connect+0x2b3/0xc70 net/vmw_vsock/af_vsock.c:1288
__sys_connect_file+0x161/0x1c0 net/socket.c:1857
__sys_connect+0x174/0x1b0 net/socket.c:1874
__do_sys_connect net/socket.c:1885 [inline]
__se_sys_connect net/socket.c:1882 [inline]
__x64_sys_connect+0x73/0xb0 net/socket.c:1882
do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294
entry_SYSCALL_64_after_hwframe+0x49/0xbe
To avoid this issue, this patch remove the lock acquiring in the
.release() callback of hyperv and virtio transports, and it holds
the lock when we call vsk->transport->release() in the vsock core.
Reported-by: syzbot+731710996d79d0d58fbc@syzkaller.appspotmail.com
Fixes: 408624af4c ("vsock: use local transport when it is loaded")
Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Taehee Yoo says:
====================
net: rmnet: fix several bugs
This patchset is to fix several bugs in RMNET module.
1. The first patch fixes NULL-ptr-deref in rmnet_newlink().
When rmnet interface is being created, it uses IFLA_LINK
without checking NULL.
So, if userspace doesn't set IFLA_LINK, panic will occur.
In this patch, checking NULL pointer code is added.
2. The second patch fixes NULL-ptr-deref in rmnet_changelink().
To get real device in rmnet_changelink(), it uses IFLA_LINK.
But, IFLA_LINK should not be used in rmnet_changelink().
3. The third patch fixes suspicious RCU usage in rmnet_get_port().
rmnet_get_port() uses rcu_dereference_rtnl().
But, rmnet_get_port() is used by datapath.
So, rcu_dereference_bh() should be used instead of rcu_dereference_rtnl().
4. The fourth patch fixes suspicious RCU usage in
rmnet_force_unassociate_device().
RCU critical section should not be scheduled.
But, unregister_netdevice_queue() in the rmnet_force_unassociate_device()
would be scheduled.
So, the RCU warning occurs.
In this patch, the rcu_read_lock() in the rmnet_force_unassociate_device()
is removed because it's unnecessary.
5. The fifth patch fixes duplicate MUX ID case.
RMNET MUX ID is unique.
So, rmnet interface isn't allowed to be created, which have
a duplicate MUX ID.
But, only rmnet_newlink() checks this condition, rmnet_changelink()
doesn't check this.
So, duplicate MUX ID case would happen.
6. The sixth patch fixes upper/lower interface relationship problems.
When IFLA_LINK is used, the upper/lower infrastructure should be used.
Because it checks the maximum depth of upper/lower interfaces and it also
checks circular interface relationship, etc.
In this patch, netdev_upper_dev_link() is used.
7. The seventh patch fixes bridge related problems.
a) ->ndo_del_slave() doesn't work.
b) It couldn't detect circular upper/lower interface relationship.
c) It couldn't prevent stack overflow because of too deep depth
of upper/lower interface
d) It doesn't check the number of lower interfaces.
e) Panics because of several reasons.
These problems are actually the same problem.
So, this patch fixes these problems.
8. The eighth patch fixes packet forwarding issue in bridge mode
Packet forwarding is not working in rmnet bridge mode.
Because when a packet is forwarded, skb_push() for an ethernet header
is needed. But it doesn't call skb_push().
So, the ethernet header will be lost.
Change log:
- update commit logs.
- drop two patches in this patchset because of wrong target branch.
- ("net: rmnet: add missing module alias")
- ("net: rmnet: print error message when command fails")
- remove unneessary rcu_read_lock() in the third patch.
- use rcu_dereference_bh() instead of rcu_dereference in third patch.
- do not allow to add a bridge device if rmnet interface is already
bridge mode in the seventh patch.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Packet forwarding is not working in rmnet bridge mode.
Because when a packet is forwarded, skb_push() for an ethernet header
is needed. But it doesn't call skb_push().
So, the ethernet header will be lost.
Test commands:
modprobe rmnet
ip netns add nst
ip netns add nst2
ip link add veth0 type veth peer name veth1
ip link add veth2 type veth peer name veth3
ip link set veth1 netns nst
ip link set veth3 netns nst2
ip link add rmnet0 link veth0 type rmnet mux_id 1
ip link set veth2 master rmnet0
ip link set veth0 up
ip link set veth2 up
ip link set rmnet0 up
ip a a 192.168.100.1/24 dev rmnet0
ip netns exec nst ip link set veth1 up
ip netns exec nst ip a a 192.168.100.2/24 dev veth1
ip netns exec nst2 ip link set veth3 up
ip netns exec nst2 ip a a 192.168.100.3/24 dev veth3
ip netns exec nst2 ping 192.168.100.2
Fixes: 60d58f971c ("net: qualcomm: rmnet: Implement bridge mode")
Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In order to attach a bridge interface to the rmnet interface,
"master" operation is used.
(e.g. ip link set dummy1 master rmnet0)
But, in the rmnet_add_bridge(), which is a callback of ->ndo_add_slave()
doesn't register lower interface.
So, ->ndo_del_slave() doesn't work.
There are other problems too.
1. It couldn't detect circular upper/lower interface relationship.
2. It couldn't prevent stack overflow because of too deep depth
of upper/lower interface
3. It doesn't check the number of lower interfaces.
4. Panics because of several reasons.
The root problem of these issues is actually the same.
So, in this patch, these all problems will be fixed.
Test commands:
modprobe rmnet
ip link add dummy0 type dummy
ip link add rmnet0 link dummy0 type rmnet mux_id 1
ip link add dummy1 master rmnet0 type dummy
ip link add dummy2 master rmnet0 type dummy
ip link del rmnet0
ip link del dummy2
ip link del dummy1
Splat looks like:
[ 41.867595][ T1164] general protection fault, probably for non-canonical address 0xdffffc0000000101I
[ 41.869993][ T1164] KASAN: null-ptr-deref in range [0x0000000000000808-0x000000000000080f]
[ 41.872950][ T1164] CPU: 0 PID: 1164 Comm: ip Not tainted 5.6.0-rc1+ #447
[ 41.873915][ T1164] Hardware name: innotek GmbH VirtualBox/VirtualBox, BIOS VirtualBox 12/01/2006
[ 41.875161][ T1164] RIP: 0010:rmnet_unregister_bridge.isra.6+0x71/0xf0 [rmnet]
[ 41.876178][ T1164] Code: 48 89 ef 48 89 c6 5b 5d e9 fc fe ff ff e8 f7 f3 ff ff 48 8d b8 08 08 00 00 48 ba 00 7
[ 41.878925][ T1164] RSP: 0018:ffff8880c4d0f188 EFLAGS: 00010202
[ 41.879774][ T1164] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000101
[ 41.887689][ T1164] RDX: dffffc0000000000 RSI: ffffffffb8cf64f0 RDI: 0000000000000808
[ 41.888727][ T1164] RBP: ffff8880c40e4000 R08: ffffed101b3c0e3c R09: 0000000000000001
[ 41.889749][ T1164] R10: 0000000000000001 R11: ffffed101b3c0e3b R12: 1ffff110189a1e3c
[ 41.890783][ T1164] R13: ffff8880c4d0f200 R14: ffffffffb8d56160 R15: ffff8880ccc2c000
[ 41.891794][ T1164] FS: 00007f4300edc0c0(0000) GS:ffff8880d9c00000(0000) knlGS:0000000000000000
[ 41.892953][ T1164] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 41.893800][ T1164] CR2: 00007f43003bc8c0 CR3: 00000000ca53e001 CR4: 00000000000606f0
[ 41.894824][ T1164] Call Trace:
[ 41.895274][ T1164] ? rcu_is_watching+0x2c/0x80
[ 41.895895][ T1164] rmnet_config_notify_cb+0x1f7/0x590 [rmnet]
[ 41.896687][ T1164] ? rmnet_unregister_bridge.isra.6+0xf0/0xf0 [rmnet]
[ 41.897611][ T1164] ? rmnet_unregister_bridge.isra.6+0xf0/0xf0 [rmnet]
[ 41.898508][ T1164] ? __module_text_address+0x13/0x140
[ 41.899162][ T1164] notifier_call_chain+0x90/0x160
[ 41.899814][ T1164] rollback_registered_many+0x660/0xcf0
[ 41.900544][ T1164] ? netif_set_real_num_tx_queues+0x780/0x780
[ 41.901316][ T1164] ? __lock_acquire+0xdfe/0x3de0
[ 41.901958][ T1164] ? memset+0x1f/0x40
[ 41.902468][ T1164] ? __nla_validate_parse+0x98/0x1ab0
[ 41.903166][ T1164] unregister_netdevice_many.part.133+0x13/0x1b0
[ 41.903988][ T1164] rtnl_delete_link+0xbc/0x100
[ ... ]
Fixes: 60d58f971c ("net: qualcomm: rmnet: Implement bridge mode")
Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Basically, duplicate mux id isn't be allowed.
So, the creation of rmnet will be failed if there is duplicate mux id
is existing.
But, changelink routine doesn't check duplicate mux id.
Test commands:
modprobe rmnet
ip link add dummy0 type dummy
ip link add rmnet0 link dummy0 type rmnet mux_id 1
ip link add rmnet1 link dummy0 type rmnet mux_id 2
ip link set rmnet1 type rmnet mux_id 1
Fixes: 23790ef120 ("net: qualcomm: rmnet: Allow to configure flags for existing devices")
Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
rmnet_get_port() internally calls rcu_dereference_rtnl(),
which checks RTNL.
But rmnet_get_port() could be called by packet path.
The packet path is not protected by RTNL.
So, the suspicious RCU usage problem occurs.
Test commands:
modprobe rmnet
ip netns add nst
ip link add veth0 type veth peer name veth1
ip link set veth1 netns nst
ip link add rmnet0 link veth0 type rmnet mux_id 1
ip netns exec nst ip link add rmnet1 link veth1 type rmnet mux_id 1
ip netns exec nst ip link set veth1 up
ip netns exec nst ip link set rmnet1 up
ip netns exec nst ip a a 192.168.100.2/24 dev rmnet1
ip link set veth0 up
ip link set rmnet0 up
ip a a 192.168.100.1/24 dev rmnet0
ping 192.168.100.2
Splat looks like:
[ 146.630958][ T1174] WARNING: suspicious RCU usage
[ 146.631735][ T1174] 5.6.0-rc1+ #447 Not tainted
[ 146.632387][ T1174] -----------------------------
[ 146.633151][ T1174] drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c:386 suspicious rcu_dereference_check() !
[ 146.634742][ T1174]
[ 146.634742][ T1174] other info that might help us debug this:
[ 146.634742][ T1174]
[ 146.645992][ T1174]
[ 146.645992][ T1174] rcu_scheduler_active = 2, debug_locks = 1
[ 146.646937][ T1174] 5 locks held by ping/1174:
[ 146.647609][ T1174] #0: ffff8880c31dea70 (sk_lock-AF_INET){+.+.}, at: raw_sendmsg+0xab8/0x2980
[ 146.662463][ T1174] #1: ffffffff93925660 (rcu_read_lock_bh){....}, at: ip_finish_output2+0x243/0x2150
[ 146.671696][ T1174] #2: ffffffff93925660 (rcu_read_lock_bh){....}, at: __dev_queue_xmit+0x213/0x2940
[ 146.673064][ T1174] #3: ffff8880c19ecd58 (&dev->qdisc_running_key#7){+...}, at: ip_finish_output2+0x714/0x2150
[ 146.690358][ T1174] #4: ffff8880c5796898 (&dev->qdisc_xmit_lock_key#3){+.-.}, at: sch_direct_xmit+0x1e2/0x1020
[ 146.699875][ T1174]
[ 146.699875][ T1174] stack backtrace:
[ 146.701091][ T1174] CPU: 0 PID: 1174 Comm: ping Not tainted 5.6.0-rc1+ #447
[ 146.705215][ T1174] Hardware name: innotek GmbH VirtualBox/VirtualBox, BIOS VirtualBox 12/01/2006
[ 146.706565][ T1174] Call Trace:
[ 146.707102][ T1174] dump_stack+0x96/0xdb
[ 146.708007][ T1174] rmnet_get_port.part.9+0x76/0x80 [rmnet]
[ 146.709233][ T1174] rmnet_egress_handler+0x107/0x420 [rmnet]
[ 146.710492][ T1174] ? sch_direct_xmit+0x1e2/0x1020
[ 146.716193][ T1174] rmnet_vnd_start_xmit+0x3d/0xa0 [rmnet]
[ 146.717012][ T1174] dev_hard_start_xmit+0x160/0x740
[ 146.717854][ T1174] sch_direct_xmit+0x265/0x1020
[ 146.718577][ T1174] ? register_lock_class+0x14d0/0x14d0
[ 146.719429][ T1174] ? dev_watchdog+0xac0/0xac0
[ 146.723738][ T1174] ? __dev_queue_xmit+0x15fd/0x2940
[ 146.724469][ T1174] ? lock_acquire+0x164/0x3b0
[ 146.725172][ T1174] __dev_queue_xmit+0x20c7/0x2940
[ ... ]
Fixes: ceed73a2cf ("drivers: net: ethernet: qualcomm: rmnet: Initial implementation")
Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
- fix missed rebuild of DT schema check
- add some phony targets to PHONY
- fix comments and documents
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Merge tag 'kbuild-fixes-v5.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild fixes from Masahiro Yamada:
- fix missed rebuild of DT schema check
- add some phony targets to PHONY
- fix comments and documents
* tag 'kbuild-fixes-v5.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
kbuild: get rid of trailing slash from subdir- example
kbuild: add dt_binding_check to PHONY in a correct place
kbuild: add dtbs_check to PHONY
kbuild: remove unneeded semicolon at the end of cmd_dtb_check
kbuild: fix DT binding schema rule to detect command line changes
kbuild: remove wrong documentation about mandatory-y
kbuild: add comment for V=2 mode
Don't attempt to interpret the PHY specific status register unless
the PHY is indicating that the resolution is valid.
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The current code causes problems when the unregistering netdevice could
be different then the registering one.
Since the check in mlx5_lag_netdev_event() does not allow any other
network namespace anyway, fix this by registerting the lag notifier
per init network namespace only.
Fixes: d48834f9d4 ("mlx5: Use dev_net netdevice notifier registrations")
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Tested-by: Aya Levin <ayal@mellanox.com>
Acked-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull HID subsystem fixes from Jiri Kosina:
- syzkaller-reported error handling fixes in various drivers, from
various people
- increase of HID report buffer size to 8K, which is apparently needed
by certain modern devices
- a few new device-ID-specific fixes / quirks
- battery charging status reporting fix in logitech-hidpp, from Filipe
Laíns
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid:
HID: hid-bigbenff: fix race condition for scheduled work during removal
HID: hid-bigbenff: call hid_hw_stop() in case of error
HID: hid-bigbenff: fix general protection fault caused by double kfree
HID: i2c-hid: add Trekstor Surfbook E11B to descriptor override
HID: alps: Fix an error handling path in 'alps_input_configured()'
HID: hiddev: Fix race in in hiddev_disconnect()
HID: core: increase HID report buffer size to 8KiB
HID: core: fix off-by-one memset in hid_report_raw_event()
HID: apple: Add support for recent firmware on Magic Keyboards
HID: ite: Only bind to keyboard USB interface on Acer SW5-012 keyboard dock
HID: logitech-hidpp: BatteryVoltage: only read chargeStatus if extPower is active
Follow the pattern used with other *_show_fdinfo functions and only
define unix_show_fdinfo and set it in proto_ops if CONFIG_PROCFS
is set.
Fixes: 3c32da19a8 ("unix: Show number of pending scm files of receive queue in fdinfo")
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Reviewed-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Luo bin says:
====================
hinic: BugFixes
the bug fixed in patch #2 has been present since the first commit.
the bugs fixed in patch #1 and patch #3 have been present since the
following commits:
patch #1: 352f58b0d9 ("net-next/hinic: Set Rxq irq to specific cpu for NUMA")
patch #3: 421e952628 ("hinic: add rss support")
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
should use real receive queue number to configure hw rss
indirect table rather than maximal queue number
Signed-off-by: Luo bin <luobin9@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
a reserved field is used to signify prime physical function index
in the latest firmware version, so we must assign a value to it
correctly
Signed-off-by: Luo bin <luobin9@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
can not use a local variable as an input parameter of
irq_set_affinity_hint
Signed-off-by: Luo bin <luobin9@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Merge tag 'docs-5.6-fixes' of git://git.lwn.net/linux
Pull documentation fixes from Jonathan Corbet:
"A pair of docs-build fixes"
* tag 'docs-5.6-fixes' of git://git.lwn.net/linux:
docs: Fix empty parallelism argument
docs: remove MPX from the x86 toc
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Merge tag 'audit-pr-20200226' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit
Pull audit fixes from Paul Moore:
"Two fixes for problems found by syzbot:
- Moving audit filter structure fields into a union caused some
problems in the code which populates that filter structure.
We keep the union (that idea is a good one), but we are fixing the
code so that it doesn't needlessly set fields in the union and mess
up the error handling.
- The audit_receive_msg() function wasn't validating user input as
well as it should in all cases, we add the necessary checks"
* tag 'audit-pr-20200226' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit:
audit: always check the netlink payload length in audit_receive_msg()
audit: fix error handling in audit_data_to_entry()
Add idle_states table for CPU on am437x. Currently just add C1 state
which gates the MPU clock domain.
Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Add idle_states table for CPU on am335x. Currently just add C1 state
which gates the MPU clock domain.
Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Completions need to consumed in the same order the controller submitted
them, otherwise future completion entries may overwrite ones we haven't
handled yet. Hold the nvme queue's poll lock while completing new CQEs to
prevent another thread from freeing command tags for reuse out-of-order.
Fixes: dabcefab45 ("nvme: provide optimized poll function for separate poll queues")
Signed-off-by: Bijan Mottahedeh <bijan.mottahedeh@oracle.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Keith Busch <kbusch@kernel.org>
Some older compilers have no implementation for the helper for 64-bit
unsigned division/modulo, so linking pcie-brcmstb driver causes the
"undefined reference to `__aeabi_uldivmod'" error.
*rc_bar2_size is always a power of two, because it is calculated as:
"1ULL << fls64(entry->res->end - entry->res->start)", so the modulo
operation in the subsequent check can be replaced by a simple logical
AND with a proper mask.
Link: https://lore.kernel.org/r/20200227115146.24515-1-m.szyprowski@samsung.com
Fixes: c045213703 ("PCI: brcmstb: Add Broadcom STB PCIe host controller driver")
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Acked-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Follow the pattern used with other *_show_fdinfo functions and only
define and use io_uring_show_fdinfo and its helper functions if
CONFIG_PROC_FS is set.
Fixes: 87ce955b24 ("io_uring: add ->show_fdinfo() for the io_uring file descriptor")
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
At the moment PinePhone comes in two slightly incompatible variants:
- 1.0: Early Developer Batch
- 1.1: Braveheart Batch
There will be at least one more incompatible variant in the very near
future, so let's start by sharing the dtsi among multiple variants,
right away, even though the HW description doesn't yet include the
different bits.
The differences between 1.0 and 1.1 are: change in pins that control
the flash LED, differences in modem power status signal routing, and
maybe some other subtler things, that have not been determined yet.
This is a basic DT that includes only features that are already
supported by mainline drivers.
Co-developed-by: Samuel Holland <samuel@sholland.org>
Signed-off-by: Samuel Holland <samuel@sholland.org>
Co-developed-by: Martijn Braam <martijn@brixit.nl>
Signed-off-by: Martijn Braam <martijn@brixit.nl>
Co-developed-by: Luca Weiss <luca@z3ntu.xyz>
Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
Signed-off-by: Bhushan Shah <bshah@kde.org>
Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Signed-off-by: Ondrej Jirman <megous@megous.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
PinePhone needs I2C2 pins description. Add it, and make it default
for i2c2, since it's the only possiblilty.
Signed-off-by: Ondrej Jirman <megous@megous.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
There is a second PWM unit available in the PL I/O block.
Add a node and pinmux definition for it.
Signed-off-by: Mans Rullgard <mans@mansr.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Pinebook has an ANX6345 bridge connected to the RGB666 LCD output and
eDP panel input. The bridge is controlled via I2C that's connected to
R_I2C bus.
Enable all this hardware in device tree.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Detailed description for this pull request:
1. Revert "PM / devfreq: Modify the device name as devfreq(X) for sysfs"
- This changes as devfreq(X) cause break some user space applications
such as Android HAL from Unisoc and Hikey. In result, decide to revert it
for preventing the HAL layer problem.
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Merge tag 'devfreq-fixes-for-5.6-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/linux
Pull a devfreq fix for 5.6-rc4 from Chanwoo Choi:
"Revert "PM / devfreq: Modify the device name as devfreq(X) for sysfs"
- This changes as devfreq(X) cause break some user space applications
such as Android HAL from Unisoc and Hikey. In result, decide to revert it
for preventing the HAL layer problem."
* tag 'devfreq-fixes-for-5.6-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/linux:
Revert "PM / devfreq: Modify the device name as devfreq(X) for sysfs"
Before commit 1e4f63aecb ("cpufreq: Avoid creating excessively
large stack frames") the initial value of the policy field in struct
cpufreq_policy set by the driver's ->init() callback was implicitly
passed from cpufreq_init_policy() to cpufreq_set_policy() if the
default governor was neither "performance" nor "powersave". After
that commit, however, cpufreq_init_policy() must take that case into
consideration explicitly and handle it as appropriate, so make that
happen.
Fixes: 1e4f63aecb ("cpufreq: Avoid creating excessively large stack frames")
Link: https://lore.kernel.org/linux-pm/39fb762880c27da110086741315ca8b111d781cd.camel@gmail.com/
Reported-by: Artem Bityutskiy <dedekind1@gmail.com>
Cc: 5.4+ <stable@vger.kernel.org> # 5.4+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
In smc_ib_remove_dev() check if the provided ib device was actually
initialized for SMC before.
Reported-by: syzbot+84484ccebdd4e5451d91@syzkaller.appspotmail.com
Fixes: a4cf0443c4 ("smc: introduce SMC as an IB-client")
Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
We cannot register the same netdev notifier multiple times when probing
stmmac devices. Register the notifier only once in module init, and also
make debugfs creation/deletion safe against simultaneous notifier call.
Fixes: 481a7d154c ("stmmac: debugfs entry name is not be changed when udev rename device name.")
Signed-off-by: Aaro Koskinen <aaro.koskinen@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The firmware paths for the VSC8584 PHYs not not contain the leading
'microchip/' directory, as used in linux-firmware, resulting in an
error when probing the driver. This patch fixes it.
Fixes: a5afc16780 ("net: phy: mscc: add support for VSC8584 PHY")
Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
When auto-negotiation is not required, return value should be zero.
Changes v1->v2:
- improved comments and code as Andrew Lunn and Heiner Kallweit suggestion
- fixed issue in genphy_c45_check_and_restart_aneg as Russell King
suggestion.
Fixes: 2a10ab043a ("net: phy: add genphy_check_and_restart_aneg()")
Fixes: 1af9f16840 ("net: phy: add genphy_c45_check_and_restart_aneg()")
Signed-off-by: Sudheesh Mavila <sudheesh.mavila@amd.com>
Reviewed-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
As the description before netdev_run_todo, we cannot call free_netdev
before rtnl_unlock, fix it by reorder the code.
Signed-off-by: yangerkun <yangerkun@huawei.com>
Reviewed-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
If an SMC connection to a certain peer is setup the first time,
a new linkgroup is created. In case of setup failures, such a
linkgroup is unusable and should disappear. As a first step the
linkgroup is removed from the linkgroup list in smc_lgr_forget().
There are 2 problems:
smc_listen_decline() might be called before linkgroup creation
resulting in a crash due to calling smc_lgr_forget() with
parameter NULL.
If a setup failure occurs after linkgroup creation, the connection
is never unregistered from the linkgroup, preventing linkgroup
freeing.
This patch introduces an enhanced smc_lgr_cleanup_early() function
which
* contains a linkgroup check for early smc_listen_decline()
invocations
* invokes smc_conn_free() to guarantee unregistering of the
connection.
* schedules fast linkgroup removal of the unusable linkgroup
And the unused function smcd_conn_free() is removed from smc_core.h.
Fixes: 3b2dec2603 ("net/smc: restructure client and server code in af_smc")
Fixes: 2a0674fffb ("net/smc: improve abnormal termination of link groups")
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Outdated Raspberry Pi 4 firmware might configure the external PHY as
rgmii although the kernel currently sets it as rgmii-rxid. This makes
connections unreliable as ID_MODE_DIS is left enabled. To avoid this,
explicitly clear that bit whenever we don't need it.
Fixes: da38802211 ("net: bcmgenet: Add RGMII_RXID support")
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The put of the flags was added by the commit referenced in fixes tag,
however the size of the message was not extended accordingly.
Fix this by adding size of the flags bitfield to the message size.
Fixes: e382267860 ("net: sched: update action implementations to support flags")
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
