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ALSA: pcm: Add more disconnection checks at file ops
authorTakashi Iwai <tiwai@suse.de>
Wed, 6 Oct 2021 14:22:14 +0000 (16:22 +0200)
committerTakashi Iwai <tiwai@suse.de>
Thu, 7 Oct 2021 07:16:56 +0000 (09:16 +0200)
commita5db8f591176744554cc7319c540b8ebeedf0209
tree998f158183ba7e457652a80571b082858a2c1f16tree | snapshot
parent1e7e0103b5fcea404cc53816942a5356cc40625ccommit | diff
ALSA: pcm: Add more disconnection checks at file ops

In the case of hot-disconnection of a PCM device, all file operations
except for close should be rejected.  This patch adds more sanity
checks in the file operation code paths.

Link: https://lore.kernel.org/r/20211006142214.3089-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/core/pcm_native.c diff | blob | history
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