[PATCH] media: s5p-mfc: Handle error for clk_enable

[Jiasheng Jiang]

As the potential failure of the clk_enable(),
it should be better to check it and return error
if fails.

Fixes: 1bce6fb3edf1 ("[media] s5p-mfc: Rework clock handling")
Signed-off-by: Jiasheng Jiang <jiasheng at iscas.ac.cn>
---
 drivers/media/platform/s5p-mfc/s5p_mfc_pm.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_pm.c b/drivers/media/platform/s5p-mfc/s5p_mfc_pm.c
index 88b7d33c9197..392e6fab0a75 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_pm.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_pm.c
@@ -106,10 +106,12 @@ int s5p_mfc_power_on(void)
 
 int s5p_mfc_power_off(void)
 {
-	int i;
+	int i, ret;
 
 	/* finish software clock gating */
-	clk_enable(pm->clock_gate);
+	ret = clk_enable(pm->clock_gate);
+	if (ret)
+		return ret;
 
 	for (i = 0; i < pm->num_clocks; i++)
 		clk_disable_unprepare(pm->clocks[i]);
-- 
2.25.1