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Filename Latest commit message Latest commit date
Randy Dunlap b3ac1e0196 driver core: dd: fix return value of __setup handler
[ Upstream commit f2aad54703dbe630f9d8b235eb58e8c8cc78f37d ]

When "driver_async_probe=nulltty" is used on the kernel boot command line,
it causes an Unknown parameter message and the string is added to init's
environment strings, polluting them.

  Unknown kernel command line parameters "BOOT_IMAGE=/boot/bzImage-517rc6
  driver_async_probe=nulltty", will be passed to user space.

 Run /sbin/init as init process
   with arguments:
     /sbin/init
   with environment:
     HOME=/
     TERM=linux
     BOOT_IMAGE=/boot/bzImage-517rc6
     driver_async_probe=nulltty

Change the return value of the __setup function to 1 to indicate
that the __setup option has been handled.

Link: lore.kernel.org/r/64644a2f-4a20-bab3-1e15-3b2cdd0defe3@omprussia.ru
Fixes: 1ea61b68d0 ("async: Add cmdline option to specify drivers to be async probed")
Cc: Feng Tang <feng.tang@intel.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Reported-by: Igor Zhbanov <i.zhbanov@omprussia.ru>
Reviewed-by: Feng Tang <feng.tang@intel.com>
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20220301041829.15137-1-rdunlap@infradead.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-04-15 14:18:20 +02:00
arch MIPS: RB532: fix return value of __setup handler 2022-04-15 14:18:16 +02:00
block block: don't delete queue kobject before its children 2022-04-15 14:18:05 +02:00
certs
crypto crypto: authenc - Fix sleep in atomic context in decrypt_tail 2022-04-15 14:18:04 +02:00
Documentation Documentation: update stable tree link 2022-04-15 14:17:58 +02:00
drivers driver core: dd: fix return value of __setup handler 2022-04-15 14:18:20 +02:00
fs NFS: remove unneeded check in decode_devicenotify_args() 2022-04-15 14:18:19 +02:00
include PCI: Reduce warnings on possible RW1C corruption 2022-04-15 14:18:15 +02:00
init
ipc
kernel dma-debug: fix return value of __setup handlers 2022-04-15 14:18:18 +02:00
lib lib/raid6/test: fix multiple definition linking error 2022-04-15 14:18:02 +02:00
LICENSES
mm mm/kmemleak: reset tag when compare object pointer 2022-04-15 14:18:01 +02:00
net tipc: fix the timer expires after interval 100ms 2022-04-15 14:18:17 +02:00
samples
scripts
security TOMOYO: fix __setup handlers return values 2022-04-15 14:18:13 +02:00
sound ASoC: msm8916-wcd-analog: Fix error handling in pm8916_wcd_analog_spmi_probe 2022-04-15 14:18:10 +02:00
tools selftests/bpf/test_lirc_mode2.sh: Exit with proper code 2022-04-15 14:18:17 +02:00
usr
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS
Makefile Linux 5.4.188 2022-03-28 08:46:49 +02:00
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.