typhoon: missed rx overruns on big-endian

rxBuffCleared is little-endian; we miss le32_to_cpu() in checks for
rx ring overruns.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

diff --git a/drivers/net/typhoon.c b/drivers/net/typhoon.c
index 16d443b..501abe3 100644 (file)
--- a/drivers/net/typhoon.c
+++ b/drivers/net/typhoon.c
@@ -1596,7 +1596,7 @@ typhoon_recycle_rx_skb(struct typhoon *tp, u32 idx)
        struct rx_free *r;
 
        if((ring->lastWrite + sizeof(*r)) % (RXFREE_ENTRIES * sizeof(*r)) ==
-                               indexes->rxBuffCleared) {
+                               le32_to_cpu(indexes->rxBuffCleared)) {
                /* no room in ring, just drop the skb
                 */
                dev_kfree_skb_any(rxb->skb);
@@ -1627,7 +1627,7 @@ typhoon_alloc_rx_skb(struct typhoon *tp, u32 idx)
        rxb->skb = NULL;
 
        if((ring->lastWrite + sizeof(*r)) % (RXFREE_ENTRIES * sizeof(*r)) ==
-                               indexes->rxBuffCleared)
+                               le32_to_cpu(indexes->rxBuffCleared))
                return -ENOMEM;
 
        skb = dev_alloc_skb(PKT_BUF_SZ);

diff --git a/drivers/net/typhoon.h b/drivers/net/typhoon.h
index 19df208..a02e095 100644 (file)
--- a/drivers/net/typhoon.h
+++ b/drivers/net/typhoon.h
@@ -73,7 +73,7 @@ struct typhoon_indexes {
        volatile __le32 txLoCleared;
        volatile __le32 txHiCleared;
        volatile __le32 rxLoReady;
-       volatile __u32 rxBuffCleared;   /* AV: really? */
+       volatile __le32 rxBuffCleared;
        volatile __le32 cmdCleared;
        volatile __le32 respReady;
        volatile __le32 rxHiReady;