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authorDan Carpenter <dan.carpenter@oracle.com>2021-10-01 15:34:09 +0300
committerRob Clark <robdclark@chromium.org>2021-10-11 17:30:54 -0700
commitc8f01ffc83923a91e8087aaa077de13354a7aa59 (patch)
treebb90ab9bc2fd1cfbaf900bae2a7cd2ed83f2f4c2
parent739b4e7756d3301dd673ca517afca46a5f635562 (diff)
downloaddevel-c8f01ffc83923a91e8087aaa077de13354a7aa59.tar.gz
drm/msm/dsi: fix off by one in dsi_bus_clk_enable error handling
This disables a lock which wasn't enabled and it does not disable the first lock in the array. Fixes: 6e0eb52eba9e ("drm/msm/dsi: Parse bus clocks from a list") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://lore.kernel.org/r/20211001123409.GG2283@kili Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Signed-off-by: Rob Clark <robdclark@chromium.org>
-rw-r--r--drivers/gpu/drm/msm/dsi/dsi_host.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c
index e269df285136c2..c86b5090fae60d 100644
--- a/drivers/gpu/drm/msm/dsi/dsi_host.c
+++ b/drivers/gpu/drm/msm/dsi/dsi_host.c
@@ -451,7 +451,7 @@ static int dsi_bus_clk_enable(struct msm_dsi_host *msm_host)
return 0;
err:
- for (; i > 0; i--)
+ while (--i >= 0)
clk_disable_unprepare(msm_host->bus_clks[i]);
return ret;