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-rw-r--r--sound/core/pcm.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/sound/core/pcm.c b/sound/core/pcm.c
index 1be470e..184e74b 100644
--- a/sound/core/pcm.c
+++ b/sound/core/pcm.c
@@ -273,7 +273,8 @@ static void snd_pcm_proc_info_read(snd_pcm_substream_t *substream, snd_info_buff
snd_pcm_info_t *info;
int err;
- snd_runtime_check(substream, return);
+ if (! substream)
+ return;
info = kmalloc(sizeof(*info), GFP_KERNEL);
if (! info) {
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