From: G Kranthi <gudishax.kranthikumar@intel.com>
Date: Tue, 20 Dec 2016 07:16:45 +0000 (+0530)
Subject: ASoC: Intel: Skylake: Fix to fail safely if module not available in path
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=91ce54978ccece323aa6df930249ff84a7d233c7;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

ASoC: Intel: Skylake: Fix to fail safely if module not available in path

If a module is not available in a pipeline, fail safely rather than
causing oops.

Signed-off-by: G Kranthi <gudishax.kranthikumar@intel.com>
Signed-off-by: Subhransu S. Prusty <subhransu.s.prusty@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
---

diff --git a/sound/soc/intel/skylake/skl-pcm.c b/sound/soc/intel/skylake/skl-pcm.c
index 84b5101e6ca6..6c6b63a6b338 100644
--- a/sound/soc/intel/skylake/skl-pcm.c
+++ b/sound/soc/intel/skylake/skl-pcm.c
@@ -180,6 +180,9 @@ static int skl_pcm_open(struct snd_pcm_substream *substream,
 	snd_pcm_set_sync(substream);
 
 	mconfig = skl_tplg_fe_get_cpr_module(dai, substream->stream);
+	if (!mconfig)
+		return -EINVAL;
+
 	skl_tplg_d0i3_get(skl, mconfig->d0i3_caps);
 
 	return 0;