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Commit 32ac4ed3 authored by Dan Carpenter's avatar Dan Carpenter Committed by Greg Kroah-Hartman
Browse files

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



commit c8f01ffc83923a91e8087aaa077de13354a7aa59 upstream.

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

Fixes: 6e0eb52e ("drm/msm/dsi: Parse bus clocks from a list")
Signed-off-by: default avatarDan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: default avatarDmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20211001123409.GG2283@kili


Signed-off-by: default avatarDmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: default avatarRob Clark <robdclark@chromium.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 46200989

drivers/gpu/drm/msm/dsi/dsi_host.c

+1 −1
Original line number Diff line number Diff line
@@ -460,7 +460,7 @@ 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;