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authorEric Dumazet <edumazet@google.com>2013-09-29 01:21:32 -0700
committerDavid S. Miller <davem@davemloft.net>2013-09-30 22:09:00 -0700
commit36a8f39e05ccc308a5619a7edb5ad6e15ee82ff6 (patch)
tree3f3cc0acf69af141e804e0506919f33912e13c1e /drivers/net
parentc3f40d7c04152c6f168db2f9b43438015cf092c4 (diff)
net: skb_is_gso_v6() requires skb_is_gso()
bnx2x makes a dangerous use of skb_is_gso_v6(). It should first make sure skb is a gso packet Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Eilon Greenstein <eilong@broadcom.com> Acked-by: Dmitry Kravkov <dmitry@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c18
1 files changed, 10 insertions, 8 deletions
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
index 61726af1de6e..0c7fb1ed1261 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
@@ -3256,14 +3256,16 @@ static u32 bnx2x_xmit_type(struct bnx2x *bp, struct sk_buff *skb)
if (prot == IPPROTO_TCP)
rc |= XMIT_CSUM_TCP;
- if (skb_is_gso_v6(skb)) {
- rc |= (XMIT_GSO_V6 | XMIT_CSUM_TCP);
- if (rc & XMIT_CSUM_ENC)
- rc |= XMIT_GSO_ENC_V6;
- } else if (skb_is_gso(skb)) {
- rc |= (XMIT_GSO_V4 | XMIT_CSUM_TCP);
- if (rc & XMIT_CSUM_ENC)
- rc |= XMIT_GSO_ENC_V4;
+ if (skb_is_gso(skb)) {
+ if (skb_is_gso_v6(skb)) {
+ rc |= (XMIT_GSO_V6 | XMIT_CSUM_TCP);
+ if (rc & XMIT_CSUM_ENC)
+ rc |= XMIT_GSO_ENC_V6;
+ } else {
+ rc |= (XMIT_GSO_V4 | XMIT_CSUM_TCP);
+ if (rc & XMIT_CSUM_ENC)
+ rc |= XMIT_GSO_ENC_V4;
+ }
}
return rc;