[media] variable name is never null, so remove null check

The variable name is always assigned to a literal string in the
proceeding switch statement, so it is never null and hence the
null check is redundant. Remove null the check.

Signed-off-by: Colin Ian King <[e-mail]>

drivers/media/usb/pvrusb2/pvrusb2-sysfs.c

···
 	}
 	pvr2_sysfs_trace("pvr2_sysfs(%p) show_type(cid=%d) is %s",
 			 cip->chptr, cip->ctl_id, name);
-	if (!name) return -EINVAL;
 	return scnprintf(buf, PAGE_SIZE, "%s\n", name);
 }