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| author | Al Viro <viro@ftp.linux.org.uk> | 2007-12-21 06:20:53 +0000 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2007-12-22 22:53:05 -0500 |
| commit | 8a5ed9efe661dd42bc140e522c2635e0d7b26141 (patch) | |
| tree | 9f37f414587fa25e4ab34290a67789f67d4dcc02 | |
| parent | b46281f9c5d6ab7b6e412e83f8c62cecf4ebbdfd (diff) | |
| download | lwn-8a5ed9efe661dd42bc140e522c2635e0d7b26141.tar.gz lwn-8a5ed9efe661dd42bc140e522c2635e0d7b26141.zip | |
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>
| -rw-r--r-- | drivers/net/typhoon.c | 4 | ||||
| -rw-r--r-- | drivers/net/typhoon.h | 2 |
2 files changed, 3 insertions, 3 deletions
diff --git a/drivers/net/typhoon.c b/drivers/net/typhoon.c index 16d443b71264..501abe379047 100644 --- 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 19df20889b82..a02e09593970 100644 --- 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; |