19 Feb
2019
19 Feb
'19
1:04 p.m.
We should free "w" on the error path.
Fixes: 199ed3e81c49 ("ASoC: dapm: fix use-after-free issue with dailink sname") Signed-off-by: Dan Carpenter dan.carpenter@oracle.com --- sound/soc/soc-dapm.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index dea6fc2353e4..1ec06ef6d161 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -332,8 +332,10 @@ static inline struct snd_soc_dapm_widget *dapm_cnew_widget( */ if (_widget->sname) { w->sname = kstrdup_const(_widget->sname, GFP_KERNEL); - if (!w->sname) + if (!w->sname) { + kfree(w); return NULL; + } } return w; }
--
2.17.1