diff options
| -rw-r--r-- | drivers/tty/serial/msm_serial.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/tty/serial/msm_serial.c b/drivers/tty/serial/msm_serial.c index 4b6c78331a64..cedcc36762a2 100644 --- a/drivers/tty/serial/msm_serial.c +++ b/drivers/tty/serial/msm_serial.c @@ -174,6 +174,7 @@ static void handle_rx(struct uart_port *port) while ((sr = msm_read(port, UART_SR)) & UART_SR_RX_READY) { unsigned int c; char flag = TTY_NORMAL; + int sysrq; c = msm_read(port, UART_RF); @@ -195,7 +196,10 @@ static void handle_rx(struct uart_port *port) else if (sr & UART_SR_PAR_FRAME_ERR) flag = TTY_FRAME; - if (!uart_handle_sysrq_char(port, c)) + spin_unlock(&port->lock); + sysrq = uart_handle_sysrq_char(port, c); + spin_lock(&port->lock); + if (!sysrq) tty_insert_flip_char(tport, c, flag); } |