[PATCH 5.10 094/103] drm/msm/dsi: fix off by one in dsi_bus_clk_enable error handling
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: 2021-10-18 13:47:12
Also in:
lkml
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: 2021-10-18 13:47:12
Also in:
lkml
From: Dan Carpenter <redacted>
commit c8f01ffc83923a91e8087aaa077de13354a7aa59 upstream.
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 <redacted>
Reviewed-by: Dmitry Baryshkov <redacted>
Link: https://lore.kernel.org/r/20211001123409.GG2283@kili (local)
Signed-off-by: Dmitry Baryshkov <redacted>
Signed-off-by: Rob Clark <redacted>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/gpu/drm/msm/dsi/dsi_host.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/gpu/drm/msm/dsi/dsi_host.c
+++ b/drivers/gpu/drm/msm/dsi/dsi_host.c@@ -464,7 +464,7 @@ static int dsi_bus_clk_enable(struct msm return 0; err: - for (; i > 0; i--) + while (--i >= 0) clk_disable_unprepare(msm_host->bus_clks[i]); return ret;