From: Eric Dumazet Date: Thu, 20 Oct 2016 17:26:48 +0000 (-0700) Subject: ipv4: disable BH in set_ping_group_range() X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=a681574c99be;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git 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 Reported-by: Eric Salo Signed-off-by: David S. Miller --- 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. */