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-rw-r--r--net/packet/af_packet.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 00189a3b07f2..e3e00d3a972e 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -2881,6 +2881,8 @@ static int packet_snd(struct socket *sock, struct msghdr *msg, size_t len)
goto out_free;
} else if (reserve) {
skb_reserve(skb, -reserve);
+ if (len < reserve)
+ skb_reset_network_header(skb);
}
/* Returns -EFAULT on error */