diff options
author | Eric Dumazet <edumazet@google.com> | 2023-09-12 16:01:59 +0000 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2023-09-15 10:33:46 +0100 |
commit | b0adfba7ee770fef20b1b6d86706c28f7fccfb07 (patch) | |
tree | 4a7a9fe910c850fcc4492d034cf57d0db89c4ae2 /include/linux/ipv6.h | |
parent | f2fa1c812c91e99d0317d1fc7d845e1e05f39716 (diff) |
ipv6: lockless IPV6_UNICAST_HOPS implementation
Some np->hop_limit accesses are racy, when socket lock is not held.
Add missing annotations and switch to full lockless implementation.
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 'include/linux/ipv6.h')
-rw-r--r-- | include/linux/ipv6.h | 12 |
1 files changed, 1 insertions, 11 deletions
diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h index af8a771a053c..c2e087071384 100644 --- a/include/linux/ipv6.h +++ b/include/linux/ipv6.h @@ -213,17 +213,7 @@ struct ipv6_pinfo { __be32 flow_label; __u32 frag_size; - /* - * Packed in 16bits. - * Omit one shift by putting the signed field at MSB. - */ -#if defined(__BIG_ENDIAN_BITFIELD) - __s16 hop_limit:9; - __u16 __unused_1:7; -#else - __u16 __unused_1:7; - __s16 hop_limit:9; -#endif + s16 hop_limit; #if defined(__BIG_ENDIAN_BITFIELD) /* Packed in 16bits. */ |