chelsio: Fix build warning.
GCC warns that:
drivers/net/chelsio/sge.c:463:11: warning: operation on 's->port' may be undefined
Better to eliminate the side effects in the calculation and
express what was intended here.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/chelsio/sge.c b/drivers/net/chelsio/sge.c
index 475304f..a8ffc1e 100644
--- a/drivers/net/chelsio/sge.c
+++ b/drivers/net/chelsio/sge.c
@@ -460,7 +460,7 @@
again:
for (i = 0; i < MAX_NPORTS; i++) {
- s->port = ++s->port & (MAX_NPORTS - 1);
+ s->port = (s->port + 1) & (MAX_NPORTS - 1);
skbq = &s->p[s->port].skbq;
skb = skb_peek(skbq);