char: lp: remove unneeded break

A break is not needed if it is preceded by a return

Signed-off-by: Tom Rix <trix@redhat.com>
Link: https://lore.kernel.org/r/20201019194628.14731-1-trix@redhat.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/char/lp.c

@@ -622,7 +622,6 @@ static int lp_do_ioctl(unsigned int minor, unsigned int cmd,
 			break;
 		case LPSETIRQ:
 			return -EINVAL;
-			break;
 		case LPGETIRQ:
 			if (copy_to_user(argp, &LP_IRQ(minor),
 					sizeof(int)))