This is a note to let you know that I've just added the patch titled video: fbdev: simplefb: Check before clk_put() not needed 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: video-fbdev-simplefb-check-before-clk_put-not-needed.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 502b7bbb7aaf38fe36919b4d57cf696d48a8a061 Author: Yihao Han <hanyihao@xxxxxxxx> Date: Thu Jun 2 02:42:18 2022 -0700 video: fbdev: simplefb: Check before clk_put() not needed [ Upstream commit 5491424d17bdeb7b7852a59367858251783f8398 ] clk_put() already checks the clk ptr using !clk and IS_ERR() so there is no need to check it again before calling it. Signed-off-by: Yihao Han <hanyihao@xxxxxxxx> Reviewed-by: Hans de Goede <hdegoede@xxxxxxxxxx> Signed-off-by: Helge Deller <deller@xxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/video/fbdev/simplefb.c b/drivers/video/fbdev/simplefb.c index 61f799a515dc..1efdbbc20f99 100644 --- a/drivers/video/fbdev/simplefb.c +++ b/drivers/video/fbdev/simplefb.c @@ -231,8 +231,7 @@ static int simplefb_clocks_init(struct simplefb_par *par, if (IS_ERR(clock)) { if (PTR_ERR(clock) == -EPROBE_DEFER) { while (--i >= 0) { - if (par->clks[i]) - clk_put(par->clks[i]); + clk_put(par->clks[i]); } kfree(par->clks); return -EPROBE_DEFER;