[alsa-devel] [PATCH 4/4] ASoC: Intel: Skylake: Fix potential null pointer dereference

Guneshwor Singh guneshwor.o.singh at intel.com
Fri Jul 28 12:42:16 CEST 2017


Check if the next sink is not null to avoid potential null pointer
dereference in skl_tplg_bind_sinks().

Signed-off-by: Guneshwor Singh <guneshwor.o.singh at intel.com>
---
 sound/soc/intel/skylake/skl-topology.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/intel/skylake/skl-topology.c b/sound/soc/intel/skylake/skl-topology.c
index 68c3f121efc3..8c3ce08f366d 100644
--- a/sound/soc/intel/skylake/skl-topology.c
+++ b/sound/soc/intel/skylake/skl-topology.c
@@ -925,7 +925,7 @@ static int skl_tplg_bind_sinks(struct snd_soc_dapm_widget *w,
 		}
 	}
 
-	if (!sink)
+	if (!sink && next_sink)
 		return skl_tplg_bind_sinks(next_sink, skl, src_w, src_mconfig);
 
 	return 0;
-- 
2.13.0



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