hpsa: return -ENOMEM not -1 on kzalloc failure in hpsa_get_device_id

Signed-off-by: Stephen M. Cameron <[e-mail]>
Reported-by: Dan Carpenter <[e-mail]>
Reviewed-by: Mike Miller <[e-mail]>
Signed-off-by: Christoph Hellwig <[e-mail]>

drivers/scsi/hpsa.c

···
 		buflen = 16;
 	buf = kzalloc(64, GFP_KERNEL);
 	if (!buf)
-		return -1;
+		return -ENOMEM;
 	rc = hpsa_scsi_do_inquiry(h, scsi3addr, VPD_PAGE | 0x83, buf, 64);
 	if (rc == 0)
 		memcpy(device_id, &buf[8], buflen);