From 859f8b265fc2a11af0fb0c52b4087e0409250592 Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Tue, 12 Sep 2023 16:02:12 +0000 Subject: 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 Reviewed-by: David Ahern Signed-off-by: David S. Miller --- include/linux/ipv6.h | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'include/linux') 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 */ -- cgit v1.2.3