diff options
| author | Eric Dumazet <edumazet@google.com> | 2016-10-20 10:26:48 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-11-15 07:48:52 +0100 |
| commit | 8418193f705251d9903b8b0b9760e769b3f32efd (patch) | |
| tree | 9d6a7db176fdb2f4a29a806f968da819c007e675 /net | |
| parent | 23c110c4cdbce17b6c5df90298168fc4b990ecc1 (diff) | |
| download | lwn-8418193f705251d9903b8b0b9760e769b3f32efd.tar.gz lwn-8418193f705251d9903b8b0b9760e769b3f32efd.zip | |
ipv4: disable BH in set_ping_group_range()
[ Upstream commit a681574c99be23e4d20b769bf0e543239c364af5 ]
In commit 4ee3bd4a8c746 ("ipv4: disable BH when changing ip local port
range") Cong added BH protection in set_local_port_range() but missed
that same fix was needed in set_ping_group_range()
Fixes: b8f1a55639e6 ("udp: Add function to make source port for UDP tunnels")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Eric Salo <salo@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net')
| -rw-r--r-- | net/ipv4/sysctl_net_ipv4.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c index 1cb67de106fe..500ae4010bed 100644 --- a/net/ipv4/sysctl_net_ipv4.c +++ b/net/ipv4/sysctl_net_ipv4.c @@ -109,10 +109,10 @@ static void set_ping_group_range(struct ctl_table *table, kgid_t low, kgid_t hig kgid_t *data = table->data; struct net *net = container_of(table->data, struct net, ipv4.ping_group_range.range); - write_seqlock(&net->ipv4.ip_local_ports.lock); + write_seqlock_bh(&net->ipv4.ip_local_ports.lock); data[0] = low; data[1] = high; - write_sequnlock(&net->ipv4.ip_local_ports.lock); + write_sequnlock_bh(&net->ipv4.ip_local_ports.lock); } /* Validate changes from /proc interface. */ |