ax25: netrom: rose: Fix timer oopses

Wrong ax25_cb refcounting in ax25_send_frame() and by its callers can
cause timer oopses (first reported with 2.6.29.6 kernel).

Fixes: http://bugzilla.kernel.org/show_bug.cgi?id=14905

Reported-by: Bernard Pidoux <bpidoux@free.fr>
Tested-by: Bernard Pidoux <bpidoux@free.fr>
Signed-off-by: Jarek Poplawski <jarkao2@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jarek Poplawski
2010-01-16 01:04:04 -08:00
committed by David S. Miller
parent 2a04cd4c7d
commit d00c362f1b
5 changed files with 27 additions and 5 deletions

View File

@@ -132,6 +132,8 @@ static __inline__ void nr_node_put(struct nr_node *nr_node)
static __inline__ void nr_neigh_put(struct nr_neigh *nr_neigh)
{
if (atomic_dec_and_test(&nr_neigh->refcount)) {
if (nr_neigh->ax25)
ax25_cb_put(nr_neigh->ax25);
kfree(nr_neigh->digipeat);
kfree(nr_neigh);
}