[PATCH 1/2] media: mipi-csis: Add check for clk_enable()

From: Jiasheng Jiang
Date: Thu Nov 21 2024 - 16:06:34 EST


Add check for the return value of clk_enable() to gurantee the success.

Fixes: b5f1220d587d ("[media] v4l: Add v4l2 subdev driver for S5P/EXYNOS4 MIPI-CSI receivers")
Signed-off-by: Jiasheng Jiang <jiashengjiangcool@xxxxxxxxx>
---
drivers/media/platform/samsung/exynos4-is/mipi-csis.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/media/platform/samsung/exynos4-is/mipi-csis.c b/drivers/media/platform/samsung/exynos4-is/mipi-csis.c
index 63f3eecdd7e6..d1c938065475 100644
--- a/drivers/media/platform/samsung/exynos4-is/mipi-csis.c
+++ b/drivers/media/platform/samsung/exynos4-is/mipi-csis.c
@@ -940,7 +940,9 @@ static int s5pcsis_pm_resume(struct device *dev, bool runtime)
state->supplies);
goto unlock;
}
- clk_enable(state->clock[CSIS_CLK_GATE]);
+ ret = clk_enable(state->clock[CSIS_CLK_GATE]);
+ if (ret)
+ goto unlock;
}
if (state->flags & ST_STREAMING)
s5pcsis_start_stream(state);
--
2.25.1