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Diffstat (limited to 'net/ipv6/ip6_output.c')
-rw-r--r--net/ipv6/ip6_output.c10
1 files changed, 3 insertions, 7 deletions
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index adef2236abe2..934c88f128ab 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* IPv6 output functions
* Linux INET6 implementation
@@ -7,11 +8,6 @@
*
* Based on linux/net/ipv4/ip_output.c
*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- *
* Changes:
* A.N.Kuznetsov : airthmetics in fragmentation.
* extension headers are implemented.
@@ -1275,7 +1271,7 @@ static int __ip6_append_data(struct sock *sk,
int csummode = CHECKSUM_NONE;
unsigned int maxnonfragsize, headersize;
unsigned int wmem_alloc_delta = 0;
- bool paged, extra_uref;
+ bool paged, extra_uref = false;
skb = skb_peek_tail(queue);
if (!skb) {
@@ -1344,7 +1340,7 @@ emsgsize:
uarg = sock_zerocopy_realloc(sk, length, skb_zcopy(skb));
if (!uarg)
return -ENOBUFS;
- extra_uref = true;
+ extra_uref = !skb; /* only extra ref if !MSG_MORE */
if (rt->dst.dev->features & NETIF_F_SG &&
csummode == CHECKSUM_PARTIAL) {
paged = true;