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The source for the Linux kernel used in Windows Subsystem for Linux 2 (WSL2)
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Su Hui 53abafedfe ALSA: ac97: Fix possible error value of *rac97 
[ Upstream commit 67de40c9df ]

Before committing 79597c8bf6, *rac97 always be NULL if there is
an error. When error happens, make sure *rac97 is NULL is safer.

For examble, in snd_vortex_mixer():
	err = snd_ac97_mixer(pbus, &ac97, &vortex->codec);
	vortex->isquad = ((vortex->codec == NULL) ?
		0 : (vortex->codec->ext_id&0x80));
If error happened but vortex->codec isn't NULL, this may cause some
problems.

Move the judgement order to be clearer and better.

Fixes: 79597c8bf6 ("ALSA: ac97: Fix possible NULL dereference in snd_ac97_mixer")
Suggested-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Acked-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Su Hui <suhui@nfschina.com>
Link: https://lore.kernel.org/r/20230823025212.1000961-1-suhui@nfschina.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
 		2023-09-19 12:22:40 +02:00
Documentation ACPI: thermal: Drop nocrt parameter 2023-09-02 09:17:07 +02:00
LICENSES LICENSES/dual/CC-BY-4.0: Git rid of "smart quotes" 2021-07-15 06:31:24 -06:00
arch arm64: dts: qcom: apq8016-sbc: Fix ov5640 regulator supply names 2023-09-19 12:22:39 +02:00
block block/partition: fix signedness issue for Amiga partitions 2023-07-23 13:47:37 +02:00
certs certs/blacklist_hashes.c: fix const confusion in certs blacklist 2022-06-22 14:22:01 +02:00
crypto crypto: api - Use work queue in crypto_destroy_instance 2023-09-19 12:22:33 +02:00
drivers of: unittest: Fix overlay type in apply/revert check 2023-09-19 12:22:40 +02:00
fs quota: fix dqput() to follow the guarantees dquot_srcu should provide 2023-09-19 12:22:35 +02:00
include lwt: Check LWTUNNEL_XMIT_CONTINUE strictly 2023-09-19 12:22:34 +02:00
init x86/mm: Initialize text poking earlier 2023-08-08 19:58:33 +02:00
io_uring io_uring: fix drain stalls by invalid SQE 2023-09-19 12:22:39 +02:00
ipc ipc/sem: Fix dangling sem_array access in semtimedop race 2022-12-08 11:28:45 +01:00
kernel audit: fix possible soft lockup in __audit_inode_child() 2023-09-19 12:22:39 +02:00
lib radix tree: remove unused variable 2023-08-30 16:18:18 +02:00
mm net-memcg: Fix scope of sockmem pressure indicators 2023-09-19 12:22:33 +02:00
net netrom: Deny concurrent connect(). 2023-09-19 12:22:35 +02:00
samples samples/bpf: fix broken map lookup probe 2023-09-19 12:22:34 +02:00
scripts kbuild: Disable GCOV for *.mod.o 2023-07-23 13:47:17 +02:00
security smackfs: Prevent underflow in smk_set_cipso() 2023-09-19 12:22:39 +02:00
sound ALSA: ac97: Fix possible error value of *rac97 2023-09-19 12:22:40 +02:00
tools selftests/bpf: Clean up fmod_ret in bench_rename test script 2023-09-19 12:22:33 +02:00
usr usr/include/Makefile: add linux/nfc.h to the compile-test coverage 2022-02-01 17:27:15 +01:00
virt KVM: Grab a reference to KVM for VM and vCPU stats file descriptors 2023-08-03 10:22:40 +02:00
.clang-format clang-format: Update with the latest for_each macro list 2021-05-12 23:32:39 +02:00
.cocciconfig
…
.get_maintainer.ignore
…
.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 mailmap: add Andrej Shadura 2021-10-18 20:22:03 -10:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: Move Daniel Drake to credits 2021-09-21 08:34:58 +03:00
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 iio: stx104: Move to addac subdirectory 2023-08-26 14:23:27 +02:00
Makefile Linux 5.15.131 2023-09-06 21:28:41 +01:00
README
…

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.