Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
ipv4: use check_net()
Don't directly acess the namespace count. There's even a dedicated
helper for this.
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
+3
-3
+2
-2
net/ipv4/inet_timewait_sock.c
+2
-2
net/ipv4/inet_timewait_sock.c
···
329
329
TCPF_NEW_SYN_RECV))
330
330
continue;
331
331
332
-
if (refcount_read(&sock_net(sk)->ns.count))
332
+
if (check_net(sock_net(sk)))
333
333
continue;
334
334
335
335
if (unlikely(!refcount_inc_not_zero(&sk->sk_refcnt)))
336
336
continue;
337
337
338
-
if (refcount_read(&sock_net(sk)->ns.count)) {
338
+
if (check_net(sock_net(sk))) {
339
339
sock_gen_put(sk);
340
340
goto restart;
341
341
}
+1
-1
net/ipv4/tcp_metrics.c
+1
-1
net/ipv4/tcp_metrics.c
···
912
912
spin_lock_bh(&tcp_metrics_lock);
913
913
for (tm = deref_locked(*pp); tm; tm = deref_locked(*pp)) {
914
914
match = net ? net_eq(tm_net(tm), net) :
915
-
!refcount_read(&tm_net(tm)->ns.count);
915
+
!check_net(tm_net(tm));
916
916
if (match) {
917
917
rcu_assign_pointer(*pp, tm->tcpm_next);
918
918
kfree_rcu(tm, rcu_head);