5.15-stable review patch. If anyone has any objections, please let me know.
------------------
From: Jiasheng Jiang <jiashengjiangcool@xxxxxxxxx>
[ Upstream commit 77ed2470ac09c2b0a33cf3f98cc51d18ba9ed976 ]
Add check for the return value of clk_enable() to gurantee the success.
Fixes: babde1c243b2 ("[media] V4L: Add driver for S3C24XX/S3C64XX SoC series camera interface")
Signed-off-by: Jiasheng Jiang <jiashengjiangcool@xxxxxxxxx>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
Signed-off-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/media/platform/s3c-camif/camif-core.c | 13 +++++++++++--
1 file changed, 11 insertions(+), 2 deletions(-)
diff --git a/drivers/media/platform/s3c-camif/camif-core.c b/drivers/media/platform/s3c-camif/camif-core.c
index e1d51fd3e7008..e4c8e3f19626d 100644
--- a/drivers/media/platform/s3c-camif/camif-core.c
+++ b/drivers/media/platform/s3c-camif/camif-core.c
@@ -532,10 +532,19 @@ static int s3c_camif_remove(struct platform_device *pdev)
static int s3c_camif_runtime_resume(struct device *dev)
{
struct camif_dev *camif = dev_get_drvdata(dev);
+ int ret;
+
+ ret = clk_enable(camif->clock[CLK_GATE]);
+ if (ret)
+ return ret;
- clk_enable(camif->clock[CLK_GATE]);
/* null op on s3c244x */
- clk_enable(camif->clock[CLK_CAM]);
+ ret = clk_enable(camif->clock[CLK_CAM]);
+ if (ret) {
+ clk_disable(camif->clock[CLK_GATE]);
+ return ret;
+ }
+
return 0;
}
--
2.39.5
