From: Randy Dunlap <randy.dunlap@oracle.com>
Date: Sun, 21 Oct 2007 23:24:27 +0000 (-0700)
Subject: [ATM]: Fix clip module reload crash.
X-Git-Tag: v2.6.24-rc1~62^2~9
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bfb85c9f753a7172bd962e8717118191dfd612cc;p=linux-2.6

[ATM]: Fix clip module reload crash.

net/atm/clip.c crashes the kernel if it (module) is loaded, removed,
and then loaded again.  Its exit call to neigh_table_clear()
should destroy the cache after freeing it.

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index 67ba9914e5..05979e3569 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -1438,6 +1438,9 @@ int neigh_table_clear(struct neigh_table *tbl)
 	free_percpu(tbl->stats);
 	tbl->stats = NULL;
 
+	kmem_cache_destroy(tbl->kmem_cachep);
+	tbl->kmem_cachep = NULL;
+
 	return 0;
 }