diff options
| author | Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com> | 2020-04-15 12:28:49 -0400 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2020-04-16 13:01:33 +0100 |
| commit | 326b509238171d37402dbe308e154cc234ed1960 (patch) | |
| tree | dc81b4eb669fcf3a6afb954e49f7ffb38cc6ab38 /sound | |
| parent | 5bd70440cb0a6f5c6a84019bb2aa93ab8310a5cd (diff) | |
| download | linux-326b509238171d37402dbe308e154cc234ed1960.tar.gz linux-326b509238171d37402dbe308e154cc234ed1960.tar.bz2 linux-326b509238171d37402dbe308e154cc234ed1960.zip | |
ASoC: codecs: hdac_hdmi: Fix incorrect use of list_for_each_entry
If we don't find any pcm, pcm will point at address at an offset from
the the list head and not a meaningful structure. Fix this by returning
correct pcm if found and NULL if not. Found with coccinelle.
Signed-off-by: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>
Link: https://lore.kernel.org/r/20200415162849.308-1-amadeuszx.slawinski@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/codecs/hdac_hdmi.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/sound/soc/codecs/hdac_hdmi.c b/sound/soc/codecs/hdac_hdmi.c index fba9b749839d..f26b77faed59 100644 --- a/sound/soc/codecs/hdac_hdmi.c +++ b/sound/soc/codecs/hdac_hdmi.c @@ -142,14 +142,14 @@ static struct hdac_hdmi_pcm * hdac_hdmi_get_pcm_from_cvt(struct hdac_hdmi_priv *hdmi, struct hdac_hdmi_cvt *cvt) { - struct hdac_hdmi_pcm *pcm = NULL; + struct hdac_hdmi_pcm *pcm; list_for_each_entry(pcm, &hdmi->pcm_list, head) { if (pcm->cvt == cvt) - break; + return pcm; } - return pcm; + return NULL; } static void hdac_hdmi_jack_report(struct hdac_hdmi_pcm *pcm, |