[PATCH] vim2m: Clean up file handle in open() error path.

[PATCH] vim2m: Clean up file handle in open() error path.

[Santosh Kumar Singh]

Fix to avoid possible memory leak and exit file handle
in error paths.

Signed-off-by: Santosh Kumar Singh <kumar.san1093@gmail.com>
---
 drivers/media/platform/vim2m.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/media/platform/vim2m.c b/drivers/media/platform/vim2m.c
index a98f679..9fd24b8 100644
--- a/drivers/media/platform/vim2m.c
+++ b/drivers/media/platform/vim2m.c
@@ -907,6 +907,7 @@ static int vim2m_open(struct file *file)
 	if (hdl->error) {
 		rc = hdl->error;
 		v4l2_ctrl_handler_free(hdl);
+		kfree(ctx);
 		goto open_unlock;
 	}
 	ctx->fh.ctrl_handler = hdl;
@@ -929,6 +930,7 @@ static int vim2m_open(struct file *file)
 
 		v4l2_ctrl_handler_free(hdl);
 		kfree(ctx);
+		v4l2_fh_exit(&ctx->fh);
 		goto open_unlock;
 	}
 
-- 
1.9.1

Re: [PATCH] vim2m: Clean up file handle in open() error path.

[Laurent Pinchart]

Hi Santosh,

Thank you for the patch.

On Wednesday 07 Dec 2016 22:53:39 Santosh Kumar Singh wrote:
> Fix to avoid possible memory leak and exit file handle
> in error paths.
> 
> Signed-off-by: Santosh Kumar Singh <kumar.san1093@gmail.com>
> ---
>  drivers/media/platform/vim2m.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/media/platform/vim2m.c b/drivers/media/platform/vim2m.c
> index a98f679..9fd24b8 100644
> --- a/drivers/media/platform/vim2m.c
> +++ b/drivers/media/platform/vim2m.c
> @@ -907,6 +907,7 @@ static int vim2m_open(struct file *file)
>  	if (hdl->error) {
>  		rc = hdl->error;
>  		v4l2_ctrl_handler_free(hdl);
> +		kfree(ctx);
>  		goto open_unlock;
>  	}
>  	ctx->fh.ctrl_handler = hdl;
> @@ -929,6 +930,7 @@ static int vim2m_open(struct file *file)
> 
>  		v4l2_ctrl_handler_free(hdl);
>  		kfree(ctx);
> +		v4l2_fh_exit(&ctx->fh);

Don't you notice something wrong in those last two lines ?

>  		goto open_unlock;
>  	}

-- 
Regards,

Laurent Pinchart

Re: [PATCH] vim2m: Clean up file handle in open() error path.

[Laurent Pinchart]

On Friday 16 Dec 2016 14:31:15 santosh kumar singh wrote:
> Dear Mr. laurent,
> 
> Can you please check the patch submitted by me.

No, because I haven't received it :-) You've sent it as an HTML message it it 
thus got dropped by the mailing list. Please don't send HTML e-mails.

While at it, when submitting a new version of a patch, please indicate that in 
the subject line. It should have been [PATCH v2]. Otherwise it's difficult for 
us to figure out if the patch is a duplicate or a new version, or to find the 
latest version.

-- 
Regards,

Laurent Pinchart