ALSA: pcxhr: NULL dereference on probe failure

"card" is NULL if snd_card_new() fails.

Signed-off-by: Dan Carpenter <[e-mail]>
Signed-off-by: Takashi Iwai <[e-mail]>

sound/pci/pcxhr/pcxhr.c

···
 				   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;
 		}