bpf: sockmap: remove redundant pointer sg

Pointer sg is being assigned but is never used hence it is
redundant and can be removed.

Cleans up clang warning:
warning: variable 'sg' set but not used [-Wunused-but-set-variable]

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>

diff --git a/kernel/bpf/sockmap.c b/kernel/bpf/sockmap.c
index cf7b6a6..3e7a5f6 100644 (file)
--- a/kernel/bpf/sockmap.c
+++ b/kernel/bpf/sockmap.c
@@ -719,11 +719,8 @@ static int bpf_tcp_sendmsg_do_redirect(struct sock *sk, int send,
 {
        bool ingress = !!(md->flags & BPF_F_INGRESS);
        struct smap_psock *psock;
-       struct scatterlist *sg;
        int err = 0;
 
-       sg = md->sg_data;
-
        rcu_read_lock();
        psock = smap_psock_sk(sk);
        if (unlikely(!psock))