diff options
Diffstat (limited to 'drivers/tty/serial/efm32-uart.c')
| -rw-r--r-- | drivers/tty/serial/efm32-uart.c | 8 |
1 files changed, 1 insertions, 7 deletions
diff --git a/drivers/tty/serial/efm32-uart.c b/drivers/tty/serial/efm32-uart.c index bdf67b0cb8b..de14bd7dce1 100644 --- a/drivers/tty/serial/efm32-uart.c +++ b/drivers/tty/serial/efm32-uart.c @@ -249,12 +249,9 @@ static irqreturn_t efm32_uart_rxirq(int irq, void *data) int handled = IRQ_NONE; struct uart_port *port = &efm_port->port; struct tty_port *tport = &port->state->port; - struct tty_struct *tty; spin_lock(&port->lock); - tty = tty_kref_get(tport->tty); - if (irqflag & UARTn_IF_RXDATAV) { efm32_uart_write32(efm_port, UARTn_IF_RXDATAV, UARTn_IFC); efm32_uart_rx_chars(efm_port); @@ -270,10 +267,7 @@ static irqreturn_t efm32_uart_rxirq(int irq, void *data) handled = IRQ_HANDLED; } - if (tty) { - tty_flip_buffer_push(tty); - tty_kref_put(tty); - } + tty_flip_buffer_push(tport); spin_unlock(&port->lock); |