[ALSA] emu10k1x: simplify around pci_register_driver()

Report errors to modprobe as side effect.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>

sound/pci/emu10k1/emu10k1x.c

@@ -1626,12 +1626,7 @@ static struct pci_driver driver = {
 // initialization of the module
 static int __init alsa_card_emu10k1x_init(void)
 {
-	int err;
-
-	if ((err = pci_register_driver(&driver)) > 0)
-		return err;
-
-	return 0;
+	return pci_register_driver(&driver);
 }
 
 // clean up the module