diff options
| author | Mark Brown <broonie@kernel.org> | 2016-02-05 19:31:55 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2016-02-05 19:31:55 +0000 |
| commit | 34f6d2c9d12a97271d55c7b204443b2da9e6c29e (patch) | |
| tree | 2e6b1d1c4db95041fe2590d11a45cdb567e00360 /net/core/dev.c | |
| parent | afd2ff9b7e1b367172f18ba7f693dfb62bdcb2dc (diff) | |
| parent | f1ab5eafa3625b41c74326a1994a820ff805d5b2 (diff) | |
Merge tag 'v4.4.1' into linux-linaro-lsk-v4.4
This is the 4.4.1 stable release
# gpg: Signature made Sun 31 Jan 2016 19:29:43 GMT using RSA key ID 6092693E
# gpg: Good signature from "Greg Kroah-Hartman (Linux kernel stable release signing key) <greg@kroah.com>"
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 647F 2865 4894 E3BD 4571 99BE 38DB BDC8 6092 693E
Diffstat (limited to 'net/core/dev.c')
| -rw-r--r-- | net/core/dev.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index ae00b894e675..7f00f2439770 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -2542,6 +2542,8 @@ static inline bool skb_needs_check(struct sk_buff *skb, bool tx_path) * * It may return NULL if the skb requires no segmentation. This is * only possible when GSO is used for verifying header integrity. + * + * Segmentation preserves SKB_SGO_CB_OFFSET bytes of previous skb cb. */ struct sk_buff *__skb_gso_segment(struct sk_buff *skb, netdev_features_t features, bool tx_path) @@ -2556,6 +2558,9 @@ struct sk_buff *__skb_gso_segment(struct sk_buff *skb, return ERR_PTR(err); } + BUILD_BUG_ON(SKB_SGO_CB_OFFSET + + sizeof(*SKB_GSO_CB(skb)) > sizeof(skb->cb)); + SKB_GSO_CB(skb)->mac_offset = skb_headroom(skb); SKB_GSO_CB(skb)->encap_level = 0; |