Ensure number of channels in configfs is greater than 0

Signed-off-by: Mark Farrugia <mark.farrugia@fiberdyne.com.au>

1 files changed, 1 insertions, 1 deletions

diff --git a/configfs.c b/configfs.c
index a22c75f..4792f87 100644
--- a/configfs.c
+++ b/configfs.c
@@ -79,7 +79,7 @@ static ssize_t cfg_snd_avirt_stream_channels_store(struct config_item *item,
 	if (err < 0)
 		return err;
 
-	if (tmp > INT_MAX)
+	if ((tmp > INT_MAX) || (tmp == 0))
 		return -ERANGE;
 
 	stream->channels = tmp;