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authorTakashi Iwai2021-11-10 20:46:33 +0100
committerTakashi Iwai2021-11-10 20:47:34 +0100
commit39173303c83859723dab32c2abfb97296d6af3bf (patch)
treed823aec3729fc31c810185ac755f570d0f723a37 /net/bluetooth
parentc058493df7edcef8f48c1494d9a84218519f966b (diff)
ALSA: hda: Free card instance properly at probe errors
The recent change in hda-intel driver to allow repeated probes surfaced a problem that has been hidden until; the probe process in the work calls azx_free() at the error path, and this skips the card free process that eventually releases codec instances. As a result, we get a kernel WARNING like: snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up ------------[ cut here ]------------ WARNING: CPU: 14 PID: 186 at sound/hda/hdac_bus.c:73 .... For fixing this, we need to call snd_card_free() instead of azx_free(). Additionally, the device drvdata has to be cleared, as the driver binding itself is still active. Then the PM and other driver callbacks will ignore the procedure. Fixes: c0f1886de7e1 ("ALSA: hda: intel: Allow repeatedly probing on codec configuration errors") Reported-and-tested-by: Scott Branden <scott.branden@broadcom.com> Cc: <stable@vger.kernel.org> Link: https://lore.kernel.org/r/063e2397-7edb-5f48-7b0d-618b938d9dd8@broadcom.com Link: https://lore.kernel.org/r/20211110194633.19098-1-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'net/bluetooth')
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