diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-10-16 10:18:49 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-10-16 10:18:49 +0200 |
| commit | fe2017ba24f318e5feef487b7552e40a3de2d50a (patch) | |
| tree | 59f3695ecd07645910210156fc8255da99aba6f7 /net/mctp/route.c | |
| parent | dd976a97d15b47656991e185a94ef42a0fa5cfd4 (diff) | |
| parent | 58720809f52779dc0f08e53e54b014209d13eebb (diff) | |
Merge 6.6-rc6 into tty-next
We need the tty/serial fixes in here as well for testing, and this
resolves merge conflicts in:
drivers/tty/serial/serial_core.c
as reported in linux-next
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/mctp/route.c')
| -rw-r--r-- | net/mctp/route.c | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/net/mctp/route.c b/net/mctp/route.c index ab62fe447038..7a47a58aa54b 100644 --- a/net/mctp/route.c +++ b/net/mctp/route.c @@ -737,6 +737,8 @@ struct mctp_route *mctp_route_lookup(struct net *net, unsigned int dnet, { struct mctp_route *tmp, *rt = NULL; + rcu_read_lock(); + list_for_each_entry_rcu(tmp, &net->mctp.routes, list) { /* TODO: add metrics */ if (mctp_rt_match_eid(tmp, dnet, daddr)) { @@ -747,21 +749,29 @@ struct mctp_route *mctp_route_lookup(struct net *net, unsigned int dnet, } } + rcu_read_unlock(); + return rt; } static struct mctp_route *mctp_route_lookup_null(struct net *net, struct net_device *dev) { - struct mctp_route *rt; + struct mctp_route *tmp, *rt = NULL; - list_for_each_entry_rcu(rt, &net->mctp.routes, list) { - if (rt->dev->dev == dev && rt->type == RTN_LOCAL && - refcount_inc_not_zero(&rt->refs)) - return rt; + rcu_read_lock(); + + list_for_each_entry_rcu(tmp, &net->mctp.routes, list) { + if (tmp->dev->dev == dev && tmp->type == RTN_LOCAL && + refcount_inc_not_zero(&tmp->refs)) { + rt = tmp; + break; + } } - return NULL; + rcu_read_unlock(); + + return rt; } static int mctp_do_fragment_route(struct mctp_route *rt, struct sk_buff *skb, |