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| author | Eric Dumazet <edumazet@google.com> | 2017-06-01 14:18:36 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-06-02 14:28:25 -0400 |
| commit | f4d01666616adeebe72f84ee6e9385e309805ba5 (patch) | |
| tree | 8c4af232e0645be8be27fbeb6b64d9b796cabdd2 | |
| parent | 80b7d81912d807f161d55e9c2c9cc81061666f83 (diff) | |
| download | linux-f4d01666616adeebe72f84ee6e9385e309805ba5.tar.gz linux-f4d01666616adeebe72f84ee6e9385e309805ba5.tar.bz2 linux-f4d01666616adeebe72f84ee6e9385e309805ba5.zip | |
tcp: remove unnecessary skb_reset_tail_pointer()
__pskb_trim_head() does not need to reset skb tail pointer.
Also change the comments, __pskb_pull_head() does not exist.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/ipv4/tcp_output.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index 478f75baee31..e3aab1c1cf78 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -1328,9 +1328,8 @@ int tcp_fragment(struct sock *sk, struct sk_buff *skb, u32 len, return 0; } -/* This is similar to __pskb_pull_head() (it will go to core/skbuff.c - * eventually). The difference is that pulled data not copied, but - * immediately discarded. +/* This is similar to __pskb_pull_tail(). The difference is that pulled + * data is not copied, but immediately discarded. */ static int __pskb_trim_head(struct sk_buff *skb, int len) { @@ -1365,7 +1364,6 @@ static int __pskb_trim_head(struct sk_buff *skb, int len) } shinfo->nr_frags = k; - skb_reset_tail_pointer(skb); skb->data_len -= len; skb->len = skb->data_len; return len; |