pkt_sched: Fix oops in htb_delete.
authorJarek Poplawski <jarkao2@gmail.com>
Wed, 13 Aug 2008 22:16:43 +0000 (15:16 -0700)
committerDavid S. Miller <davem@davemloft.net>
Wed, 13 Aug 2008 22:16:43 +0000 (15:16 -0700)
commit26b284de54a5ca3dfbe2fd9a51ac1923e80085a2
tree949d06bd4dca0b43cb7247c2013c89337a8ca18b
parent64c00d81b5c2491bd140b3c8eb2e8c351513f971
pkt_sched: Fix oops in htb_delete.

Recent changes introduced a bug in htb_delete(): cl->parent->children
counter update misses checking cl->parent for NULL, which is used for
root classes, so deleting them causes an oops.

Signed-off-by: Jarek Poplawski <jarkao2@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/sched/sch_htb.c