Signed-off-by: John Crispin <[email protected]>
---
vlan.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/vlan.c b/vlan.c
index 067f624..43526d8 100644
--- a/vlan.c
+++ b/vlan.c
@@ -104,6 +104,9 @@ static struct device *get_vlan_device(struct device *dev,
int id, bool create)
struct vlan_device *vldev;
struct device_user *dep;
+ if (strlen(dev->ifname) > (IFNAMSIZ - 6))
+ return -ENAMETOOLONG;
+
/* look for an existing interface before creating a new one */
list_for_each_entry(dep, &dev->users.list, list.list) {
if (dep->cb != vlan_dev_cb)
--
2.11.0
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