In the s3c24xx_serial_get_options(), calling clk_get() without clk_put() will cause clk resource leak issue, this patch fixes it. Fixes: b497549a035c ("[ARM] S3C24XX: Split serial driver into core and per-cpu drivers") Signed-off-by: Xiu Jianfeng <xiujianfeng@xxxxxxxxxx> --- drivers/tty/serial/samsung_tty.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/tty/serial/samsung_tty.c b/drivers/tty/serial/samsung_tty.c index 77d1363029f5..8a3bb9832172 100644 --- a/drivers/tty/serial/samsung_tty.c +++ b/drivers/tty/serial/samsung_tty.c @@ -2529,9 +2529,10 @@ s3c24xx_serial_get_options(struct uart_port *port, int *baud, sprintf(clk_name, "clk_uart_baud%d", clk_sel); clk = clk_get(port->dev, clk_name); - if (!IS_ERR(clk)) + if (!IS_ERR(clk)) { rate = clk_get_rate(clk); - else + clk_put(clk); + } else rate = 1; *baud = rate / (16 * (ubrdiv + 1)); -- 2.17.1