[PATCH] tcp: tcp_md5_hash_skb_data() frag_list handling
From: Eric Dumazet <hidden>
Date: 2010-05-18 06:40:54
Subsystem:
networking [general], networking [tcp], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Neal Cardwell, Linus Torvalds
Le lundi 17 mai 2010 à 23:14 -0700, David Miller a écrit :
Eric, would you please formally submit that tcp md5 fraglist fix to net/ipv4/tcp.c with proper signoffs?
Here it is, thanks ! [PATCH] tcp: tcp_md5_hash_skb_data() frag_list handling tcp_md5_hash_skb_data() should handle skb->frag_list, and eventually recurse. Signed-off-by: Eric Dumazet <redacted> --- net/ipv4/tcp.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 6596b4f..49d0d2b 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c@@ -2999,6 +2999,7 @@ int tcp_md5_hash_skb_data(struct tcp_md5sig_pool *hp, const unsigned head_data_len = skb_headlen(skb) > header_len ? skb_headlen(skb) - header_len : 0; const struct skb_shared_info *shi = skb_shinfo(skb); + struct sk_buff *frag_iter; sg_init_table(&sg, 1);
@@ -3013,6 +3014,10 @@ int tcp_md5_hash_skb_data(struct tcp_md5sig_pool *hp, return 1; } + skb_walk_frags(skb, frag_iter) + if (tcp_md5_hash_skb_data(hp, frag_iter, 0)) + return 1; + return 0; }