diff options
author | Dan Carpenter <dan.carpenter@oracle.com> | 2020-12-09 09:54:09 +0300 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-12-30 13:53:50 +0300 |
commit | ebfeeb104facda4f6d8f9d241e8f8cc342f52821 (patch) | |
tree | 68a2cdc99d63f9f19b2d2a80fe9d26a006101988 | |
parent | 7fcf1c13802f26628d1a276f750fd1a9c7e08382 (diff) | |
download | linux-ebfeeb104facda4f6d8f9d241e8f8cc342f52821.tar.xz |
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>
-rw-r--r-- | sound/soc/codecs/wm_adsp.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c index e61d00486c65..dec8716aa8ef 100644 --- a/sound/soc/codecs/wm_adsp.c +++ b/sound/soc/codecs/wm_adsp.c @@ -1519,7 +1519,7 @@ static int wm_adsp_create_control(struct wm_adsp *dsp, ctl_work = kzalloc(sizeof(*ctl_work), GFP_KERNEL); if (!ctl_work) { ret = -ENOMEM; - goto err_ctl_cache; + goto err_list_del; } ctl_work->dsp = dsp; @@ -1529,7 +1529,8 @@ static int wm_adsp_create_control(struct wm_adsp *dsp, return 0; -err_ctl_cache: +err_list_del: + list_del(&ctl->list); kfree(ctl->cache); err_ctl_subname: kfree(ctl->subname); |