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authorEric Dumazet <edumazet@google.com>2023-09-12 16:02:07 +0000
committerDavid S. Miller <davem@davemloft.net>2023-09-15 10:33:47 +0100
commit1086ca7cce292bb498d7f8f85f4593c9ef4902b7 (patch)
tree91e02950dc0a70e6057ccc38d136690255ac2139 /net/ipv6/udp.c
parent5121516b0c4736b7977d977b239e36d23ec64401 (diff)
ipv6: lockless IPV6_DONTFRAG implementation
Move np->dontfrag flag to inet->inet_flags to fix data-races. Signed-off-by: Eric Dumazet <edumazet@google.com> Reviewed-by: David Ahern <dsahern@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/udp.c')
-rw-r--r--net/ipv6/udp.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index f60ba4295435..e4301500741a 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -1595,7 +1595,7 @@ back_from_confirm:
do_append_data:
if (ipc6.dontfrag < 0)
- ipc6.dontfrag = np->dontfrag;
+ ipc6.dontfrag = inet6_test_bit(DONTFRAG, sk);
up->len += ulen;
err = ip6_append_data(sk, getfrag, msg, ulen, sizeof(struct udphdr),
&ipc6, fl6, (struct rt6_info *)dst,