ALSA: pcxhr: NULL dereference on probe failure

"card" is NULL if snd_card_new() fails.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/pcxhr/pcxhr.c b/sound/pci/pcxhr/pcxhr.c
index a602930..c6092e4 100644
--- a/sound/pci/pcxhr/pcxhr.c
+++ b/sound/pci/pcxhr/pcxhr.c
@@ -1638,7 +1638,7 @@
 				   0, &card);
 
 		if (err < 0) {
-			dev_err(card->dev, "cannot allocate the card %d\n", i);
+			dev_err(&pci->dev, "cannot allocate the card %d\n", i);
 			pcxhr_free(mgr);
 			return err;
 		}