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Linux mainline fork with MSM8998 patches | https://mainline.space | Currently supported devices: OnePlus 5/5T, Xiaomi Mi 6, F(x)tec Pro¹ (2019 QX1000 model) & Sony Xperia XZ Premium (UNTESTED!)
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Maor Gottlieb da78fe5fb3 RDMA/mlx5: Fix crash when unbind multiport slave 
Fix the below crash when deleting a slave from the unaffiliated list
twice. First time when the slave is bound to the master and the second
when the slave is unloaded.

Fix it by checking if slave is unaffiliated (doesn't have ib device)
before removing from the list.

  RIP: 0010:mlx5r_mp_remove+0x4e/0xa0 [mlx5_ib]
  Call Trace:
   auxiliary_bus_remove+0x18/0x30
   __device_release_driver+0x177/x220
   device_release_driver+0x24/0x30
   bus_remove_device+0xd8/0x140
   device_del+0x18a/0x3e0
   mlx5_rescan_drivers_locked+0xa9/0x210 [mlx5_core]
   mlx5_unregister_device+0x34/0x60 [mlx5_core]
   mlx5_uninit_one+0x32/0x100 [mlx5_core]
   remove_one+0x6e/0xe0 [mlx5_core]
   pci_device_remove+0x36/0xa0
   __device_release_driver+0x177/0x220
   device_driver_detach+0x3c/0xa0
   unbind_store+0x113/0x130
   kernfs_fop_write_iter+0x110/0x1a0
   new_sync_write+0x116/0x1a0
   vfs_write+0x1ba/0x260
   ksys_write+0x5f/0xe0
   do_syscall_64+0x3d/0x90
   entry_SYSCALL_64_after_hwframe+0x44/0xae

Fixes: 93f8244431 ("RDMA/mlx5: Convert mlx5_ib to use auxiliary bus")
Link: https://lore.kernel.org/r/17ec98989b0ba88f7adfbad68eb20bce8d567b44.1628587493.git.leonro@nvidia.com
Signed-off-by: Maor Gottlieb <maorg@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-08-19 09:59:20 -03:00
arch powerpc fixes for 5.14 #5 2021-08-15 06:57:43 -10:00
block block-5.14-2021-08-13 2021-08-13 13:36:42 -10:00
certs Kbuild updates for v5.13 (2nd) 2021-05-08 10:00:11 -07:00
crypto Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2021-07-09 11:00:44 -07:00
Documentation ARM: 2021-08-15 06:21:30 -10:00
drivers RDMA/mlx5: Fix crash when unbind multiport slave 2021-08-19 09:59:20 -03:00
fs libnvdimm fixes for v5.14-rc6 2021-08-14 19:46:39 -10:00
include A set of fixes for PCI/MSI and x86 interrupt startup: 2021-08-15 06:49:40 -10:00
init Revert "mm/slub: use stackdepot to save stack trace in objects" 2021-07-17 13:27:00 -07:00
ipc Merge branch 'akpm' (patches from Andrew) 2021-07-02 12:08:10 -07:00
kernel A set of fixes for PCI/MSI and x86 interrupt startup: 2021-08-15 06:49:40 -10:00
lib lib: use PFN_PHYS() in devmem_is_allowed() 2021-08-13 14:09:32 -10:00
LICENSES LICENSES/dual/CC-BY-4.0: Git rid of "smart quotes" 2021-07-15 06:31:24 -06:00
mm mm/memcg: fix incorrect flushing of lruvec data in obj_stock 2021-08-13 14:09:32 -10:00
net Merge tag 'ieee802154-for-davem-2021-08-12' of git://git.kernel.org/pub/scm/linux/kernel/git/sschmidt/wpan 2021-08-12 11:50:17 -07:00
samples Networking fixes for 5.14-rc2, including fixes from bpf and netfilter. 2021-07-14 09:24:32 -07:00
scripts Kbuild fixes for v5.14 (2nd) 2021-08-07 10:03:02 -07:00
security bpf: Add lockdown check for probe_write_user helper 2021-08-10 10:10:10 +02:00
sound sound fixes for 5.14-rc6 2021-08-12 07:06:40 -10:00
tools libnvdimm fixes for v5.14-rc6 2021-08-14 19:46:39 -10:00
usr .gitignore: prefix local generated files with a slash 2021-05-02 00:43:35 +09:00
virt KVM: Do not leak memory for duplicate debugfs directories 2021-08-04 06:02:03 -04:00
.clang-format clang-format: Update with the latest for_each macro list 2021-05-12 23:32:39 +02:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.get_maintainer.ignore Opt out of scripts/get_maintainer.pl 2019-05-16 10:53:40 -07:00
.gitattributes .gitattributes: use 'dts' diff driver for dts files 2019-12-04 19:44:11 -08:00
.gitignore .gitignore: ignore only top-level modules.builtin 2021-05-02 00:43:35 +09:00
.mailmap m68k updates for v5.14 2021-06-28 14:01:03 -07:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: move Murali Karicheri to credits 2021-04-29 15:47:30 -07:00
Kbuild kbuild: rename hostprogs-y/always to hostprogs/always-y 2020-02-04 01:53:07 +09:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS Networking fixes for 5.14-rc6, including fixes from netfilter, bpf, 2021-08-12 16:24:03 -10:00
Makefile Linux 5.14-rc6 2021-08-15 13:40:53 -10:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -06:00

README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.