ALSA: pdaudiocf - Fix missing free in the error path

Added the missing snd_card_free() in the error path of probe callback.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pcmcia/pdaudiocf/pdaudiocf.c b/sound/pcmcia/pdaudiocf/pdaudiocf.c
index 183f661..ec51569 100644
--- a/sound/pcmcia/pdaudiocf/pdaudiocf.c
+++ b/sound/pcmcia/pdaudiocf/pdaudiocf.c
@@ -119,8 +119,10 @@
 	}
 
 	pdacf = snd_pdacf_create(card);
-	if (! pdacf)
+	if (!pdacf) {
+		snd_card_free(card);
 		return -EIO;
+	}
 
 	if (snd_device_new(card, SNDRV_DEV_LOWLEVEL, pdacf, &ops) < 0) {
 		kfree(pdacf);