In error case of s5p_mfc_power_on() we should call clk_disable_unprepare() for the clocks(from pm->clocks[0] to pm->clocks[i-1]). Signed-off-by: Chengguang Xu <cgxu519@xxxxxxxxxxxx> --- drivers/media/platform/samsung/s5p-mfc/s5p_mfc_pm.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_pm.c b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_pm.c index 72a901e99450..187849841a28 100644 --- a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_pm.c +++ b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_pm.c @@ -88,7 +88,6 @@ int s5p_mfc_power_on(void) if (ret < 0) { mfc_err("clock prepare failed for clock: %s\n", pm->clk_names[i]); - i++; goto err; } } @@ -98,7 +97,7 @@ int s5p_mfc_power_on(void) return 0; err: - while (--i > 0) + while (--i >= 0) clk_disable_unprepare(pm->clocks[i]); pm_runtime_put(pm->device); return ret; -- 2.27.0