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authorEric Dumazet <edumazet@google.com>2016-10-20 20:26:48 +0300
committerDavid S. Miller <davem@davemloft.net>2016-10-20 21:49:32 +0300
commita681574c99be23e4d20b769bf0e543239c364af5 (patch)
tree5e3fc2096ae23433c214b298d08b0b3dd3d8dc32 /net/ipv4/sysctl_net_ipv4.c
parent286c72deabaa240b7eebbd99496ed3324d69f3c0 (diff)
downloadlinux-a681574c99be23e4d20b769bf0e543239c364af5.tar.xz
ipv4: disable BH in set_ping_group_range()
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>
Diffstat (limited to 'net/ipv4/sysctl_net_ipv4.c')
-rw-r--r--net/ipv4/sysctl_net_ipv4.c4
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. */