net: udp: remove redundant initialization in udp_send_skb

The initialization for 'err' with 0 is redundant and can be removed,
as it is updated by ip_send_skb and not used before that.

Signed-off-by: Menglong Dong <dong.menglong@zte.com.cn>
Link: https://lore.kernel.org/r/1604644960-48378-4-git-send-email-dong.menglong@zte.com.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 1e2e73accd11f0f590f51e791a1c8982b7f571be..0d5cd6905749247ade715a210af7e9702b669bc3 100644 (file)
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -874,7 +874,7 @@ static int udp_send_skb(struct sk_buff *skb, struct flowi4 *fl4,
        struct sock *sk = skb->sk;
        struct inet_sock *inet = inet_sk(sk);
        struct udphdr *uh;
-       int err = 0;
+       int err;
        int is_udplite = IS_UDPLITE(sk);
        int offset = skb_transport_offset(skb);
        int len = skb->len - offset;