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ASoC: codecs: hdac_hdmi: Fix incorrect use of list_for_each_entry

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[ Upstream commit 326b509238171d37402dbe308e154cc234ed1960 ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Amadeusz Sławiński 2020-04-15 12:28:49 -04:00 committed by Greg Kroah-Hartman
parent f9c3a17786
commit b2978c3076
1 changed files with 3 additions and 3 deletions
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6
sound/soc/codecs/hdac_hdmi.c
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@ -150,14 +150,14 @@ 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,