On Fri, 25 Oct 2013 15:49:18 +0800
Zhi Yong Wu <zwu.ker...@gmail.com> wrote:
> From: Zhi Yong Wu <wu...@linux.vnet.ibm.com>
>
> drivers/net/vxlan.c: In function ‘vxlan_sock_add’:
> drivers/net/vxlan.c:2298:11: warning: ‘sock’ may be used uninitialized in
> this function [-Wmaybe-uninitialized]
> drivers/net/vxlan.c:2275:17: note: ‘sock’ was declared here
> LD drivers/net/built-in.o
>
> Signed-off-by: Zhi Yong Wu <wu...@linux.vnet.ibm.com>
> ---
> drivers/net/vxlan.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
> index 2ef5b62..e15f1af 100644
> --- a/drivers/net/vxlan.c
> +++ b/drivers/net/vxlan.c
> @@ -2272,7 +2272,7 @@ static struct vxlan_sock *vxlan_socket_create(struct
> net *net, __be16 port,
> {
> struct vxlan_net *vn = net_generic(net, vxlan_net_id);
> struct vxlan_sock *vs;
> - struct socket *sock;
> + struct socket *sock = NULL;
> struct sock *sk;
> int rc = 0;
> unsigned int h;
This only happens with certain versions of Gcc which have buggy dependency
analysis. It doesn't happen with Gcc 4.7, think it only shows up in 4.4.
I would rather not fix the warning this way since it risks masking later bugs
if this code ever changes.
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