[CASSINI]: Fix endianness bug.

[deliverable/linux.git] / drivers / net / cassini.c

diff --git a/drivers/net/cassini.c b/drivers/net/cassini.c
index 7df31b5561cc02000cbc44d1ea2048bd016f4e58..9030ca54a5bdf407d24aaa40929ea2e8403a3479 100644 (file)
--- a/drivers/net/cassini.c
+++ b/drivers/net/cassini.c
@@ -1979,6 +1979,7 @@ static int cas_rx_process_pkt(struct cas *cp, struct cas_rx_comp *rxc,
        struct cas_page *page;
        struct sk_buff *skb;
        void *addr, *crcaddr;
+       __sum16 csum;
        char *p;
 
        hlen = CAS_VAL(RX_COMP2_HDR_SIZE, words[1]);
@@ -2158,14 +2159,15 @@ end_copy_pkt:
                skb_put(skb, alloclen);
        }
 
-       i = CAS_VAL(RX_COMP4_TCP_CSUM, words[3]);
+       csum = (__force __sum16)htons(CAS_VAL(RX_COMP4_TCP_CSUM, words[3]));
        if (cp->crc_size) {
                /* checksum includes FCS. strip it out. */
-               i = csum_fold(csum_partial(crcaddr, cp->crc_size, i));
+               csum = csum_fold(csum_partial(crcaddr, cp->crc_size,
+                                             csum_unfold(csum)));
                if (addr)
                        cas_page_unmap(addr);
        }
-       skb->csum = ntohs(i ^ 0xffff);
+       skb->csum = csum_unfold(~csum);
        skb->ip_summed = CHECKSUM_COMPLETE;
        skb->protocol = eth_type_trans(skb, cp->dev);
        return len;