net/*: use linux/kernel.h swap()

tcp_sack_swap seems unnecessary so I pushed swap to the caller.
Also removed comment that seemed then pointless, and added include
when not already there. Compile tested.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 5 deletions

diff --git a/net/decnet/dn_route.c b/net/decnet/dn_route.c
index 5130dee0b384..0cc4394117df 100644
--- a/net/decnet/dn_route.c
+++ b/net/decnet/dn_route.c
@@ -380,7 +380,6 @@ static int dn_return_short(struct sk_buff *skb)
         unsigned char *ptr;
         __le16 *src;
         __le16 *dst;
-        __le16 tmp;
 
         /* Add back headers */
         skb_push(skb, skb->data - skb_network_header(skb));
@@ -399,10 +398,7 @@ static int dn_return_short(struct sk_buff *skb)
         ptr += 2;
         *ptr = 0; /* Zero hop count */
 
-        /* Swap source and destination */
-        tmp  = *src;
-        *src = *dst;
-        *dst = tmp;
+        swap(*src, *dst);
 
         skb->pkt_type = PACKET_OUTGOING;
         dn_rt_finish_output(skb, NULL, NULL);