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>
mariux64 · Dec 23, 2007 · 8a5ed9e · 8a5ed9e
1 parent b46281f
commit 8a5ed9e
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Showing 2 changed files with 3 additions and 3 deletions.
diff --git 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
@@ -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;