[PATCH 6.0 0733/1073] fbdev: ep93xx-fb: Add missing clk_disable_unprepare in ep93xxfb_probe()

Greg Kroah-Hartman
2022-12-28T16:26:36Z

From: Gaosheng Cui <cuigaosheng1@huawei.com>

[ Upstream commit c84bf485a5aaf9aa0764a58832b7ef4375c29f03 ]

The clk_disable_unprepare() should be called in the error handling
of register_framebuffer(), fix it.

Fixes: 0937a7b3625d ("video: ep93xx: Prepare clock before using it")
Signed-off-by: Gaosheng Cui <cuigaosheng1@huawei.com>
Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/video/fbdev/ep93xx-fb.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/video/fbdev/ep93xx-fb.c b/drivers/video/fbdev/ep93xx-fb.c
index 2398b3d48fed..305f1587bd89 100644
--- a/drivers/video/fbdev/ep93xx-fb.c
+++ b/drivers/video/fbdev/ep93xx-fb.c
@@ -552,12 +552,14 @@ static int ep93xxfb_probe(struct platform_device *pdev)

err = register_framebuffer(info);
if (err)
- goto failed_check;
+ goto failed_framebuffer;

dev_info(info->dev, "registered. Mode = %dx%d-%d\n",
info->var.xres, info->var.yres, info->var.bits_per_pixel);
return 0;

+failed_framebuffer:
+ clk_disable_unprepare(fbi->clk);
failed_check:
if (fbi->mach_info->teardown)
fbi->mach_info->teardown(pdev);
--
2.35.1