From 632da4d66324b5baf947a048dd1f1e9093b6dd90 Mon Sep 17 00:00:00 2001 From: Eilon Greenstein Date: Wed, 14 Jan 2009 06:44:10 +0000 Subject: [PATCH] bnx2x: Overstepping array bounds If the page size is > 8KB this violation happens Signed-off-by: Eilon Greenstein Signed-off-by: David S. Miller --- drivers/net/bnx2x_main.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c index ca5090c3341..2e00da6ab17 100644 --- a/drivers/net/bnx2x_main.c +++ b/drivers/net/bnx2x_main.c @@ -9427,6 +9427,7 @@ static inline u32 bnx2x_xmit_type(struct bnx2x *bp, struct sk_buff *skb) return rc; } +#if (MAX_SKB_FRAGS >= MAX_FETCH_BD - 3) /* check if packet requires linearization (packet is too fragmented) */ static int bnx2x_pkt_req_lin(struct bnx2x *bp, struct sk_buff *skb, u32 xmit_type) @@ -9504,6 +9505,7 @@ exit_lbl: return to_copy; } +#endif /* called with netif_tx_lock * bnx2x_tx_int() runs without netif_tx_lock unless it needs to call @@ -9544,6 +9546,7 @@ static int bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev) skb->ip_summed, skb->protocol, ipv6_hdr(skb)->nexthdr, ip_hdr(skb)->protocol, skb_shinfo(skb)->gso_type, xmit_type); +#if (MAX_SKB_FRAGS >= MAX_FETCH_BD - 3) /* First, check if we need to linearize the skb (due to FW restrictions) */ if (bnx2x_pkt_req_lin(bp, skb, xmit_type)) { @@ -9556,6 +9559,7 @@ static int bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev) return NETDEV_TX_OK; } } +#endif /* Please read carefully. First we use one BD which we mark as start, -- 2.41.1