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| author | Eric Dumazet <edumazet@google.com> | 2016-10-20 10:26:48 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-10-20 14:49:32 -0400 |
| commit | a681574c99be23e4d20b769bf0e543239c364af5 (patch) | |
| tree | 5e3fc2096ae23433c214b298d08b0b3dd3d8dc32 /net | |
| parent | 286c72deabaa240b7eebbd99496ed3324d69f3c0 (diff) | |
| download | linux-stable-a681574c99be23e4d20b769bf0e543239c364af5.tar.gz linux-stable-a681574c99be23e4d20b769bf0e543239c364af5.tar.bz2 linux-stable-a681574c99be23e4d20b769bf0e543239c364af5.zip | |
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')
| -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. */ |