diff options
| author | Taehee Yoo <ap420073@gmail.com> | 2020-03-18 16:28:09 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-03-19 02:43:12 +0300 |
| commit | 384d91c267e621e0926062cfb3f20cb72dc16928 (patch) | |
| tree | c9129d93fe8fcd098eb3b03a11bb0876fe4e17d6 /drivers | |
| parent | dd2af10402684cb5840a127caec9e7cdcff6d167 (diff) | |
| download | linux-384d91c267e621e0926062cfb3f20cb72dc16928.tar.xz | |
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: 58ce31cca1ff ("vxlan: GRO support at tunnel layer")`
Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/vxlan.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index d3b08b76b1ec..45308b3350cf 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -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]); |