ASoC: wm_adsp: remove "ctl" from list on error in wm_adsp_create_control()
authorDan Carpenter <dan.carpenter@oracle.com>
Wed, 9 Dec 2020 06:54:09 +0000 (09:54 +0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 29 Dec 2020 12:45:00 +0000 (13:45 +0100)
commit03fb3c455a4d937155103d7f4798fa7dd84e9ee1
tree639f7b1ec907d04b602a37ebfcb16eb06fd0f504
parent43661d9a777126ff6e617c25d7b989007aa370ae
ASoC: wm_adsp: remove "ctl" from list on error in wm_adsp_create_control()

[ Upstream commit 85a7555575a0e48f9b73db310d0d762a08a46d63 ]

The error handling frees "ctl" but it's still on the "dsp->ctl_list"
list so that could result in a use after free.  Remove it from the list
before returning.

Fixes: 2323736dca72 ("ASoC: wm_adsp: Add basic support for rev 1 firmware file format")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/X9B0keV/02wrx9Xs@mwanda
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
sound/soc/codecs/wm_adsp.c