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authorPankaj Bharadiya <pankaj.laxminarayan.bharadiya@intel.com>2017-11-07 16:16:18 +0530
committerMark Brown <broonie@kernel.org>2017-11-08 18:56:13 +0000
commit0265ddd7b713bd8b68a9ec451761bcb87bbac4b3 (patch)
treebe0de8f2430ae43e18aa3d9c3c4dede9f2546152 /sound/soc
parentda3417fe1f6d54c864b05fd5710979bdffe78034 (diff)
ASoC: Intel: Skylake: Fix potential NULL pointer dereference
Pointer 'mconfig' returned from call to skl_tplg_fe_get_cpr_module() can be NULL. So check for the valid pointer before dereferencing. Signed-off-by: Pankaj Bharadiya <pankaj.laxminarayan.bharadiya@intel.com> Signed-off-by: Guneshwor Singh <guneshwor.o.singh@intel.com> Acked-By: Vinod Koul <vinod.koul@intel.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc')
-rw-r--r--sound/soc/intel/skylake/skl-pcm.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/sound/soc/intel/skylake/skl-pcm.c b/sound/soc/intel/skylake/skl-pcm.c
index 2b1e513b1680..a3cb204e9640 100644
--- a/sound/soc/intel/skylake/skl-pcm.c
+++ b/sound/soc/intel/skylake/skl-pcm.c
@@ -355,7 +355,8 @@ static void skl_pcm_close(struct snd_pcm_substream *substream,
}
mconfig = skl_tplg_fe_get_cpr_module(dai, substream->stream);
- skl_tplg_d0i3_put(skl, mconfig->d0i3_caps);
+ if (mconfig)
+ skl_tplg_d0i3_put(skl, mconfig->d0i3_caps);
kfree(dma_params);
}