Add a check for the return value of runtime get_sync calls.
Addresses-Coverity: Event check_return.
Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xxxxxxxxxx>
---
drivers/tty/serial/xilinx_uartps.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/tty/serial/xilinx_uartps.c b/drivers/tty/serial/xilinx_uartps.c
index 8f15fe24a0eb..868f4e587263 100644
--- a/drivers/tty/serial/xilinx_uartps.c
+++ b/drivers/tty/serial/xilinx_uartps.c
@@ -1100,13 +1100,17 @@ static void cdns_uart_poll_put_char(struct uart_port *port, unsigned char c)
static void cdns_uart_pm(struct uart_port *port, unsigned int state,
unsigned int oldstate)
{
+ int ret;
+
switch (state) {
case UART_PM_STATE_OFF:
pm_runtime_mark_last_busy(port->dev);
pm_runtime_put_autosuspend(port->dev);
break;
default:
- pm_runtime_get_sync(port->dev);
+ ret = pm_runtime_get_sync(port->dev);
+ if (ret < 0)
+ dev_err(port->dev, "Failed to enable clocks\n");
break;
}
}
--
2.25.1
