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drm/msm/dsi: fix off by one in dsi_bus_clk_enable error handling

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commit c8f01ffc83 upstream.

This disables a lock which wasn't enabled and it does not disable
the first lock in the array.

Fixes: 6e0eb52eba ("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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dan Carpenter 2021-10-01 15:34:09 +03:00 • committed by Greg Kroah-Hartman
commit c6b2400095
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/msm/dsi/dsi_host.c
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@ -464,7 +464,7 @@ 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;