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

From: Laurent Pinchart
Date: Mon Dec 12 2016 - 04:37:42 EST


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@xxxxxxxxx>
> ---
> 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