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tty: serial: remove set but not used variable 'error'

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Fixes gcc '-Wunused-but-set-variable' warning:

drivers/tty/serial/pmac_zilog.c: In function 'pmz_receive_chars':
drivers/tty/serial/pmac_zilog.c:222:30: warning:
 variable 'error' set but not used [-Wunused-but-set-variable]

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
YueHaibing 2018-09-20 01:59:16 +00:00 committed by Greg Kroah-Hartman
parent 1cd25cbb2f
commit 13b4353bb0
1 changed files with 1 additions and 3 deletions
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4
drivers/tty/serial/pmac_zilog.c
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@ -219,7 +219,7 @@ static void pmz_interrupt_control(struct uart_pmac_port *uap, int enable)
static bool pmz_receive_chars(struct uart_pmac_port *uap)
{
struct tty_port *port;
unsigned char ch, r1, drop, error, flag;
unsigned char ch, r1, drop, flag;
int loops = 0;
/* Sanity check, make sure the old bug is no longer happening */
@ -231,7 +231,6 @@ static bool pmz_receive_chars(struct uart_pmac_port *uap)
port = &uap->port.state->port;
while (1) {
error = 0;
drop = 0;
r1 = read_zsreg(uap, R1);
@ -273,7 +272,6 @@ static bool pmz_receive_chars(struct uart_pmac_port *uap)
uap->port.icount.rx++;
if (r1 & (PAR_ERR | Rx_OVR | CRC_ERR | BRK_ABRT)) {
error = 1;
if (r1 & BRK_ABRT) {
pmz_debug("pmz: got break !\n");
r1 &= ~(PAR_ERR | CRC_ERR);