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| author | Jia Zhou <zhou.jia2@zte.com.cn> | 2021-03-30 14:19:23 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-05-14 10:50:31 +0300 |
| commit | 897c095c7e9ea3c20875f7d6ff626f8455d3324e (patch) | |
| tree | f7a8d6f92b0729011058ebb56d10902682ad3d32 /sound/core | |
| parent | afb3416c4fef5c4e18808c9328e01967b2a2a501 (diff) | |
| download | linux-897c095c7e9ea3c20875f7d6ff626f8455d3324e.tar.xz | |
ALSA: core: remove redundant spin_lock pair in snd_card_disconnect
[ Upstream commit abc21649b3e5c34b143bf86f0c78e33d5815e250 ]
modification in commit 2a3f7221acdd ("ALSA: core: Fix card races between
register and disconnect") resulting in this problem.
Fixes: 2a3f7221acdd ("ALSA: core: Fix card races between register and disconnect")
Signed-off-by: Jia Zhou <zhou.jia2@zte.com.cn>
Signed-off-by: Yi Wang <wang.yi59@zte.com.cn>
Link: https://lore.kernel.org/r/1616989007-34429-1-git-send-email-wang.yi59@zte.com.cn
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'sound/core')
| -rw-r--r-- | sound/core/init.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/sound/core/init.c b/sound/core/init.c index 018ce4ef12ec..9f5270c90a10 100644 --- a/sound/core/init.c +++ b/sound/core/init.c @@ -390,10 +390,8 @@ int snd_card_disconnect(struct snd_card *card) return 0; } card->shutdown = 1; - spin_unlock(&card->files_lock); /* replace file->f_op with special dummy operations */ - spin_lock(&card->files_lock); list_for_each_entry(mfile, &card->files_list, list) { /* it's critical part, use endless loop */ /* we have no room to fail */ |