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ALSA: core: remove redundant spin_lock pair in snd_card_disconnect
[ Upstream commitabc21649b3
] modification in commit2a3f7221ac
("ALSA: core: Fix card races between register and disconnect") resulting in this problem. Fixes:2a3f7221ac
("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>
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1 changed files with 0 additions and 2 deletions
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@ -405,10 +405,8 @@ int snd_card_disconnect(struct snd_card *card)
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return 0;
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}
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card->shutdown = 1;
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spin_unlock(&card->files_lock);
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/* replace file->f_op with special dummy operations */
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spin_lock(&card->files_lock);
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list_for_each_entry(mfile, &card->files_list, list) {
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/* it's critical part, use endless loop */
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/* we have no room to fail */
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