From: Zhang Zekun zhangzekun11@huawei.com
[ Upstream commit 7ad4384d53c67672a8720cdc2ef638d7d1710ab8 ]
Add the missing clk_disable_unprepare() before return from tegra_dc_probe() in the error handling path.
Fixes: f68ba6912bd2 ("drm/tegra: dc: Link DC1 to DC0 on Tegra20") Signed-off-by: Zhang Zekun zhangzekun11@huawei.com Signed-off-by: Thierry Reding treding@nvidia.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpu/drm/tegra/dc.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c index 747abafb6a5c..b8035b3be3d3 100644 --- a/drivers/gpu/drm/tegra/dc.c +++ b/drivers/gpu/drm/tegra/dc.c @@ -3206,8 +3206,10 @@ static int tegra_dc_probe(struct platform_device *pdev) usleep_range(2000, 4000);
err = reset_control_assert(dc->rst); - if (err < 0) + if (err < 0) { + clk_disable_unprepare(dc->clk); return err; + }
usleep_range(2000, 4000);