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Runyu Xiao
33abb7491e
snd_harmony_create() registers the IRQ before initializing h->lock and
h->mixer_lock. A pending interrupt can invoke the handler while these
locks are uninitialized.
Initialize both locks before requesting the IRQ so the handler always
sees valid lock state.
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Cc: [email protected]
Assisted-by: Codex:GPT-5
Signed-off-by: Runyu Xiao <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Takashi Iwai <[email protected]>