[maint] batman-adv: Don't call free_netdev twice
Commit Message
Free_netdev is registered as destructor in interface_setup for every
soft_device. This destructor is automatically called from
unregister_netdev and we must not call it again for the free'd
net_device.
Signed-off-by: Sven Eckelmann <sven.eckelmann@gmx.de>
---
This patch is created for maint and should be applied using `git am`.
Following patches should be applied before:
* batman-adv: Move device for icmp injection to debugfs
* batman-adv: Move tables from sysfs to debugfs
* batman-adv: Call unregister_netdev on failures to get rtnl lock
main.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
@@ -138,6 +138,9 @@ unreg_sysfs:
sysfs_del_meshif(soft_device);
unreg_soft_device:
unregister_netdev(soft_device);
+ soft_device = NULL;
+ return -ENOMEM;
+
free_soft_device:
free_netdev(soft_device);
soft_device = NULL;