Re: [PATCH v3] media: aspeed-video: Fix memory leaks in aspeed_video_probe

From: Eddie James
Date: Fri Nov 08 2019 - 15:38:05 EST



On 10/28/19 12:18 PM, Navid Emamdoost wrote:
In the implementation of aspeed_video_probe() the allocated memory for
video should be released if either devm_ioremap_resource()
or aspeed_video_init() or aspeed_video_setup_video() fails. Replace
kzalloc() with devm_kzalloc to avoid explicit release for video.


Thanks,

Reviewed-by: Eddie James <eajames@xxxxxxxxxxxxx>



Fixes: d2b4387f3bdf ("media: platform: Add Aspeed Video Engine driver")
Signed-off-by: Navid Emamdoost <navid.emamdoost@xxxxxxxxx>
---
Changes in v3:
-- fix call to devm_kzalloc()
---
drivers/media/platform/aspeed-video.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/media/platform/aspeed-video.c b/drivers/media/platform/aspeed-video.c
index eb12f3793062..70797b41447c 100644
--- a/drivers/media/platform/aspeed-video.c
+++ b/drivers/media/platform/aspeed-video.c
@@ -1646,7 +1646,8 @@ static int aspeed_video_probe(struct platform_device *pdev)
{
int rc;
struct resource *res;
- struct aspeed_video *video = kzalloc(sizeof(*video), GFP_KERNEL);
+ struct aspeed_video *video =
+ devm_kzalloc(&pdev->dev, sizeof(*video), GFP_KERNEL);
if (!video)
return -ENOMEM;