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| author |   Eric Dumazet <edumazet@google.com> | 2024-02-29 11:40:15 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2024-03-01 11:09:39 +0000 |
| commit | 590e92cdc835fcf435d8611f2477fff0e16877c7 (patch) | |
| tree | 1e0dca619cc99d70fcbeafe97e2ace42b1814ee1 /net/ipv4 | |
| parent | inet: annotate data-races around ifa->ifa_flags (diff) | |
| download | wireguard-linux-590e92cdc835fcf435d8611f2477fff0e16877c7.tar.xz wireguard-linux-590e92cdc835fcf435d8611f2477fff0e16877c7.zip | |
inet: prepare inet_base_seq() to run without RTNL
In the following patch, inet_base_seq() will no longer be called
with RTNL held.
Add READ_ONCE()/WRITE_ONCE() annotations in dev_base_seq_inc()
and inet_base_seq().
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4')
| -rw-r--r-- | net/ipv4/devinet.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c index 550b775cbbf3..2afe78dfc3c2 100644 --- a/net/ipv4/devinet.c +++ b/net/ipv4/devinet.c @@ -1837,7 +1837,7 @@ done: static u32 inet_base_seq(const struct net *net) { u32 res = atomic_read(&net->ipv4.dev_addr_genid) + - net->dev_base_seq; + READ_ONCE(net->dev_base_seq); /* Must not return 0 (see nl_dump_check_consistent()). * Chose a value far away from 0. |