ALSA: dice: fix null pointer dereference when node is disconnected
When node is removed from IEEE 1394 bus, any transaction fails to the node. In the case, ALSA dice driver doesn't stop isochronous contexts even if they are running. As a result, null pointer dereference occurs in callback from the running context. This commit fixes the bug to release isochronous contexts always. Cc: <stable@vger.kernel.org> # v5.4 or later Fixes: e9f21129 ("ALSA: dice: support AMDTP domain") Signed-off-by:Takashi Sakamoto <o-takashi@sakamocchi.jp> Link: https://lore.kernel.org/r/20210312093407.23437-1-o-takashi@sakamocchi.jp Signed-off-by:
Takashi Iwai <tiwai@suse.de>
parent
2bf44e0e
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