summaryrefslogtreecommitdiff
path: root/include/linux/ipv6.h
diff options
context:
space:
mode:
authorEric Dumazet <edumazet@google.com>2023-09-12 19:02:12 +0300
committerDavid S. Miller <davem@davemloft.net>2023-09-15 12:33:48 +0300
commit859f8b265fc2a11af0fb0c52b4087e0409250592 (patch)
tree7096c954f2073480a2cb52ef4e443bac1b336679 /include/linux/ipv6.h
parent6b724bc4300b431443f3b99520994a5aece347cd (diff)
downloadlinux-859f8b265fc2a11af0fb0c52b4087e0409250592.tar.xz
ipv6: lockless IPV6_FLOWINFO_SEND implementation
np->sndflow reads are racy. Use one bit ftom atomic inet->inet_flags instead, IPV6_FLOWINFO_SEND setsockopt() can be lockless. 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.h3
1 files changed, 1 insertions, 2 deletions
diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h
index 10f521a6a9c8..09253825c99c 100644
--- a/include/linux/ipv6.h
+++ b/include/linux/ipv6.h
@@ -243,8 +243,7 @@ struct ipv6_pinfo {
} rxopt;
/* sockopt flags */
- __u8 sndflow:1,
- srcprefs:3; /* 001: prefer temporary address
+ __u8 srcprefs:3; /* 001: prefer temporary address
* 010: prefer public address
* 100: prefer care-of address
*/