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| author | Eric Dumazet <edumazet@google.com> | 2024-06-04 11:16:03 +0000 |
|---|---|---|
| committer | Paolo Abeni <pabeni@redhat.com> | 2024-06-06 11:52:52 +0200 |
| commit | b4cb4a1391dcdc640c4ade003aaf0ee19cc8d509 (patch) | |
| tree | 0e1edc28739cb61536a84d2806dc61b25ef07b77 /net/ipv4/cipso_ipv4.c | |
| parent | 59d0f48160f54c5d0d7f0aba110be2e0f2569296 (diff) | |
| download | lwn-b4cb4a1391dcdc640c4ade003aaf0ee19cc8d509.tar.gz lwn-b4cb4a1391dcdc640c4ade003aaf0ee19cc8d509.zip | |
net: use unrcu_pointer() helper
Toke mentioned unrcu_pointer() existence, allowing
to remove some of the ugly casts we have when using
xchg() for rcu protected pointers.
Also make inet_rcv_compat const.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Toke Høiland-Jørgensen <toke@redhat.com>
Reviewed-by: Toke Høiland-Jørgensen <toke@redhat.com>
Link: https://lore.kernel.org/r/20240604111603.45871-1-edumazet@google.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'net/ipv4/cipso_ipv4.c')
| -rw-r--r-- | net/ipv4/cipso_ipv4.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv4/cipso_ipv4.c b/net/ipv4/cipso_ipv4.c index dd6d46015058..3a95c0f13ce3 100644 --- a/net/ipv4/cipso_ipv4.c +++ b/net/ipv4/cipso_ipv4.c @@ -1953,7 +1953,7 @@ int cipso_v4_req_setattr(struct request_sock *req, buf = NULL; req_inet = inet_rsk(req); - opt = xchg((__force struct ip_options_rcu **)&req_inet->ireq_opt, opt); + opt = unrcu_pointer(xchg(&req_inet->ireq_opt, RCU_INITIALIZER(opt))); if (opt) kfree_rcu(opt, rcu); |