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-rw-r--r--net/ipv4/fib_frontend.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index 4e3d3811dea2..5ca2af0a1c26 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -525,6 +525,12 @@ static void nl_fib_lookup(struct fib_result_nl *frn, struct fib_table *tb )
.fwmark = frn->fl_fwmark,
.tos = frn->fl_tos,
.scope = frn->fl_scope } } };
+
+#ifdef CONFIG_IP_MULTIPLE_TABLES
+ res.r = NULL;
+#endif
+
+ frn->err = -ENOENT;
if (tb) {
local_bh_disable();
@@ -536,6 +542,7 @@ static void nl_fib_lookup(struct fib_result_nl *frn, struct fib_table *tb )
frn->nh_sel = res.nh_sel;
frn->type = res.type;
frn->scope = res.scope;
+ fib_res_put(&res);
}
local_bh_enable();
}
@@ -550,6 +557,9 @@ static void nl_fib_input(struct sock *sk, int len)
struct fib_table *tb;
skb = skb_dequeue(&sk->sk_receive_queue);
+ if (skb == NULL)
+ return;
+
nlh = (struct nlmsghdr *)skb->data;
if (skb->len < NLMSG_SPACE(0) || skb->len < nlh->nlmsg_len ||
nlh->nlmsg_len < NLMSG_LENGTH(sizeof(*frn))) {
@@ -562,7 +572,7 @@ static void nl_fib_input(struct sock *sk, int len)
nl_fib_lookup(frn, tb);
- pid = nlh->nlmsg_pid; /*pid of sending process */
+ pid = NETLINK_CB(skb).pid; /* pid of sending process */
NETLINK_CB(skb).pid = 0; /* from kernel */
NETLINK_CB(skb).dst_pid = pid;
NETLINK_CB(skb).dst_group = 0; /* unicast */