serial: core: cleanup in uart_get_baud_rate()

Align with coding guidelines:
Replaced a chain of "else if" by a switch case.

Signed-off-by: Joakim Nordell <joakim.nordell@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c
index 860e59fd6ef4768a8bae54796ac50d827137f968..7ae1592f7ec9731c4dab1d3a12b980420aade634 100644 (file)
--- a/drivers/tty/serial/serial_core.c
+++ b/drivers/tty/serial/serial_core.c
@@ -335,18 +335,29 @@ unsigned int
 uart_get_baud_rate(struct uart_port *port, struct ktermios *termios,
                   struct ktermios *old, unsigned int min, unsigned int max)
 {
-       unsigned int try, baud, altbaud = 38400;
+       unsigned int try;
+       unsigned int baud;
+       unsigned int altbaud;
        int hung_up = 0;
        upf_t flags = port->flags & UPF_SPD_MASK;
 
-       if (flags == UPF_SPD_HI)
+       switch (flags) {
+       case UPF_SPD_HI:
                altbaud = 57600;
-       else if (flags == UPF_SPD_VHI)
+               break;
+       case UPF_SPD_VHI:
                altbaud = 115200;
-       else if (flags == UPF_SPD_SHI)
+               break;
+       case UPF_SPD_SHI:
                altbaud = 230400;
-       else if (flags == UPF_SPD_WARP)
+               break;
+       case UPF_SPD_WARP:
                altbaud = 460800;
+               break;
+       default:
+               altbaud = 38400;
+               break;
+       }
 
        for (try = 0; try < 2; try++) {
                baud = tty_termios_baud_rate(termios);