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| author | Eric Dumazet <edumazet@google.com> | 2024-02-22 10:50:09 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2024-02-26 11:46:12 +0000 |
| commit | 4ad268136421dc9813280c55940eca00796420e5 (patch) | |
| tree | ea968ee216ebef868e6a88119ea582ad47bfe352 /net/ipv6/ndisc.c | |
| parent | e353ea9ce471331c13edffd5977eadd602d1bb80 (diff) | |
| download | linux-4ad268136421dc9813280c55940eca00796420e5.tar.gz linux-4ad268136421dc9813280c55940eca00796420e5.tar.bz2 linux-4ad268136421dc9813280c55940eca00796420e5.zip | |
ipv6: prepare inet6_fill_ifla6_attrs() for RCU
We want to no longer hold RTNL while calling inet6_fill_ifla6_attrs()
in the future. Add needed READ_ONCE()/WRITE_ONCE() annotations.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/ndisc.c')
| -rw-r--r-- | net/ipv6/ndisc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c index 73cb31afe935..8523f0595b01 100644 --- a/net/ipv6/ndisc.c +++ b/net/ipv6/ndisc.c @@ -1975,7 +1975,7 @@ int ndisc_ifinfo_sysctl_change(struct ctl_table *ctl, int write, void *buffer, if (ctl->data == &NEIGH_VAR(idev->nd_parms, BASE_REACHABLE_TIME)) idev->nd_parms->reachable_time = neigh_rand_reach_time(NEIGH_VAR(idev->nd_parms, BASE_REACHABLE_TIME)); - idev->tstamp = jiffies; + WRITE_ONCE(idev->tstamp, jiffies); inet6_ifinfo_notify(RTM_NEWLINK, idev); in6_dev_put(idev); } |