mISDN: l1oip_core: replace _manual_ swap with swap macro

Make use of the swap macro and remove unnecessary variables skb and cnt.
This makes the code easier to read and maintain.

This code was detected with the help of Coccinelle.

Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 8 deletions

diff --git a/drivers/isdn/mISDN/l1oip_core.c b/drivers/isdn/mISDN/l1oip_core.c
index b5d590e378ac..e3654782a3e2 100644
--- a/drivers/isdn/mISDN/l1oip_core.c
+++ b/drivers/isdn/mISDN/l1oip_core.c
@@ -440,14 +440,8 @@ l1oip_socket_recv(struct l1oip *hc, u8 remotecodec, u8 channel, u16 timebase,
 
 #ifdef REORDER_DEBUG
                 if (hc->chan[channel].disorder_flag) {
-                        struct sk_buff *skb;
-                        int cnt;
-                        skb = hc->chan[channel].disorder_skb;
-                        hc->chan[channel].disorder_skb = nskb;
-                        nskb = skb;
-                        cnt = hc->chan[channel].disorder_cnt;
-                        hc->chan[channel].disorder_cnt = rx_counter;
-                        rx_counter = cnt;
+                        swap(hc->chan[channel].disorder_skb, nskb);
+                        swap(hc->chan[channel].disorder_cnt, rx_counter);
                 }
                 hc->chan[channel].disorder_flag ^= 1;
                 if (nskb)