Commit 384d91c2 authored by Taehee Yoo's avatar Taehee Yoo Committed by David S. Miller
Browse files

vxlan: check return value of gro_cells_init()



gro_cells_init() returns error if memory allocation is failed.
But the vxlan module doesn't check the return value of gro_cells_init().

Fixes: 58ce31cc ("vxlan: GRO support at tunnel layer")`
Signed-off-by: default avatarTaehee Yoo <ap420073@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent dd2af104
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+9 −2
Original line number Diff line number Diff line
@@ -2779,10 +2779,19 @@ static void vxlan_vs_add_dev(struct vxlan_sock *vs, struct vxlan_dev *vxlan,
/* Setup stats when device is created */
static int vxlan_init(struct net_device *dev)
{
	struct vxlan_dev *vxlan = netdev_priv(dev);
	int err;

	dev->tstats = netdev_alloc_pcpu_stats(struct pcpu_sw_netstats);
	if (!dev->tstats)
		return -ENOMEM;

	err = gro_cells_init(&vxlan->gro_cells, dev);
	if (err) {
		free_percpu(dev->tstats);
		return err;
	}

	return 0;
}

@@ -3043,8 +3052,6 @@ static void vxlan_setup(struct net_device *dev)

	vxlan->dev = dev;

	gro_cells_init(&vxlan->gro_cells, dev);

	for (h = 0; h < FDB_HASH_SIZE; ++h) {
		spin_lock_init(&vxlan->hash_lock[h]);
		INIT_HLIST_HEAD(&vxlan->fdb_head[h]);