[SUNSU]: Fix bogus locking in sunsu_change_mouse_baud()



The lock is not held when calling this function, so we
shouldn't drop then reacquire it.

Based upon a report from Jim MacBaine.

Signed-off-by: David S. Miller <davem@davemloft.net>

parent 3115624e

drivers/serial/sunsu.c

+0 −4

Original line number	Diff line number	Diff line
		@@ -518,11 +518,7 @@ static void sunsu_change_mouse_baud(struct uart_sunsu_port *up)

		quot = up->port.uartclk / (16 * new_baud);

		spin_unlock(&up->port.lock);

		sunsu_change_speed(&up->port, up->cflag, 0, quot);

		spin_lock(&up->port.lock);
		}

		static void receive_kbd_ms_chars(struct uart_sunsu_port up, struct pt_regs regs, int is_break)