From: Zheng Zengkai <[email protected]>
commit 425af483523b76bc78e14674a430579d38b2a593 upstream.
ar933x_uart_probe() does not invoke clk_disable_unprepare()
on one error handling path. This patch fixes that.
Fixes: 9be1064fe524 ("serial: ar933x_uart: add RS485 support")
Reported-by: Hulk Robot <[email protected]>
Signed-off-by: Zheng Zengkai <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Cc: stable <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/tty/serial/ar933x_uart.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
--- a/drivers/tty/serial/ar933x_uart.c
+++ b/drivers/tty/serial/ar933x_uart.c
@@ -789,8 +789,10 @@ static int ar933x_uart_probe(struct plat
goto err_disable_clk;
up->gpios = mctrl_gpio_init(port, 0);
- if (IS_ERR(up->gpios) && PTR_ERR(up->gpios) != -ENOSYS)
- return PTR_ERR(up->gpios);
+ if (IS_ERR(up->gpios) && PTR_ERR(up->gpios) != -ENOSYS) {
+ ret = PTR_ERR(up->gpios);
+ goto err_disable_clk;
+ }
up->rts_gpiod = mctrl_gpio_to_gpiod(up->gpios, UART_GPIO_RTS);
