This is a note to let you know that I've just added the patch titled clk: st: Fix memory leak in st_of_quadfs_setup() to the 4.9-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: clk-st-fix-memory-leak-in-st_of_quadfs_setup.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 2137676501f5db78ac3258fd846bca234af6fbe5 Author: Xiu Jianfeng <xiujianfeng@xxxxxxxxxx> Date: Tue Nov 22 21:36:14 2022 +0800 clk: st: Fix memory leak in st_of_quadfs_setup() [ Upstream commit cfd3ffb36f0d566846163118651d868e607300ba ] If st_clk_register_quadfs_pll() fails, @lock should be freed before goto @err_exit, otherwise will cause meory leak issue, fix it. Signed-off-by: Xiu Jianfeng <xiujianfeng@xxxxxxxxxx> Link: https://lore.kernel.org/r/20221122133614.184910-1-xiujianfeng@xxxxxxxxxx Reviewed-by: Patrice Chotard <patrice.chotard@xxxxxxxxxxx> Signed-off-by: Stephen Boyd <sboyd@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/clk/st/clkgen-fsyn.c b/drivers/clk/st/clkgen-fsyn.c index 14819d919df1..715c5d3a5cde 100644 --- a/drivers/clk/st/clkgen-fsyn.c +++ b/drivers/clk/st/clkgen-fsyn.c @@ -948,9 +948,10 @@ static void __init st_of_quadfs_setup(struct device_node *np, clk = st_clk_register_quadfs_pll(pll_name, clk_parent_name, data, reg, lock); - if (IS_ERR(clk)) + if (IS_ERR(clk)) { + kfree(lock); goto err_exit; - else + } else pr_debug("%s: parent %s rate %u\n", __clk_get_name(clk), __clk_get_name(clk_get_parent(clk)),