ALSA: Fix card refcount unbalance

[karo-tx-linux.git] / sound / core / sound.c

diff --git a/sound/core/sound.c b/sound/core/sound.c
index 89780c323f19f817b81ecfbf7fad655e7b66265d..70ccdab7415320e3b20a2aba6c5837f42962f758 100644 (file)
--- a/sound/core/sound.c
+++ b/sound/core/sound.c
@@ -114,7 +114,7 @@ void *snd_lookup_minor_data(unsigned int minor, int type)
        mreg = snd_minors[minor];
        if (mreg && mreg->type == type) {
                private_data = mreg->private_data;
-               if (mreg->card_ptr)
+               if (private_data && mreg->card_ptr)
                        atomic_inc(&mreg->card_ptr->refcount);
        } else
                private_data = NULL;