[PATCH] net: Set trailer iff skb1 is the last one
From: Miaohe Lin <linmiaohe@huawei.com>
Date: 2020-08-27 15:22:25
Also in:
lkml
Subsystem:
networking [general], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Set trailer iff skb1 is the skbuff where the tailbits space begins. Signed-off-by: Miaohe Lin <linmiaohe@huawei.com> --- net/core/skbuff.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 0b24aed04060..18ed56316e56 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c@@ -4488,8 +4488,9 @@ int skb_cow_data(struct sk_buff *skb, int tailbits, struct sk_buff **trailer) skb1 = skb2; } elt++; - *trailer = skb1; skb_p = &skb1->next; + if (!*skb_p) + *trailer = skb1; } return elt;
--
2.19.1