This is a note to let you know that I've just added the patch titled
serial: ar933x_uart: disable clk on error handling path in probe
to the 5.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
serial-ar933x_uart-disable-clk-on-error-handling-path-in-probe.patch
and it can be found in the queue-5.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 425af483523b76bc78e14674a430579d38b2a593 Mon Sep 17 00:00:00 2001
From: Zheng Zengkai <zhengzengkai@xxxxxxxxxx>
Date: Wed, 11 Nov 2020 20:44:26 +0800
Subject: serial: ar933x_uart: disable clk on error handling path in probe
From: Zheng Zengkai <zhengzengkai@xxxxxxxxxx>
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 <hulkci@xxxxxxxxxx>
Signed-off-by: Zheng Zengkai <zhengzengkai@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20201111124426.42638-1-zhengzengkai@xxxxxxxxxx
Cc: stable <stable@xxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
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);
Patches currently in stable-queue which might be from zhengzengkai@xxxxxxxxxx are
queue-5.9/serial-ar933x_uart-disable-clk-on-error-handling-path-in-probe.patch
