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Diffstat (limited to 'net/ipv4/inet_diag.c')
-rw-r--r--net/ipv4/inet_diag.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c
index dbeacd8b0f9..def007ec1d6 100644
--- a/net/ipv4/inet_diag.c
+++ b/net/ipv4/inet_diag.c
@@ -836,12 +836,16 @@ static int inet_diag_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
return inet_diag_get_exact(skb, nlh);
}
+static DEFINE_MUTEX(inet_diag_mutex);
+
static void inet_diag_rcv(struct sock *sk, int len)
{
unsigned int qlen = 0;
do {
+ mutex_lock(&inet_diag_mutex);
netlink_run_queue(sk, &qlen, &inet_diag_rcv_msg);
+ mutex_unlock(&inet_diag_mutex);
} while (qlen);
}