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-rw-r--r--sound/core/pcm_lib.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c
index b336797be4f..9fefcaa2c32 100644
--- a/sound/core/pcm_lib.c
+++ b/sound/core/pcm_lib.c
@@ -781,6 +781,11 @@ int snd_interval_list(struct snd_interval *i, unsigned int count, unsigned int *
{
unsigned int k;
int changed = 0;
+
+ if (!count) {
+ i->empty = 1;
+ return -EINVAL;
+ }
for (k = 0; k < count; k++) {
if (mask && !(mask & (1 << k)))
continue;