Re: [PATCH] vxlan: fix a potential issue when create a new vxlan fdb entry.

From: Jiri Benc
Date: Mon Nov 28 2016 - 06:37:55 EST


On Mon, 28 Nov 2016 15:02:23 +0800, Haishuang Yan wrote:
> vxlan_fdb_append may return error, so add the proper check,
> otherwise it will cause memory leak.
>
> Signed-off-by: Haishuang Yan <yanhaishuang@xxxxxxxxxxxxxxxxxxxx>
> ---
> drivers/net/vxlan.c | 10 +++++++---
> 1 file changed, 7 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
> index 21e92be..3b7b237 100644
> --- a/drivers/net/vxlan.c
> +++ b/drivers/net/vxlan.c
> @@ -611,6 +611,7 @@ static int vxlan_fdb_create(struct vxlan_dev *vxlan,
> struct vxlan_rdst *rd = NULL;
> struct vxlan_fdb *f;
> int notify = 0;
> + int rc = 0;

The initialization to 0 should not be needed. Looks good otherwise.

Thanks,

Jiri