[IPV6]: Fix crash in ip6_del_rt
ip6_null_entry doesn't have rt6i_table set, when trying to delete it the
kernel crashes dereferencing table->tb6_lock.
Signed-off-by: Patrick McHardy <[EMAIL PROTECTED]>
---
commit d3ddd45b230e8b56873c77d266004fec49c44f8b
tree 764a548789cd495e2b424824c682734f62e9cb94
parent 10365c03ef65f5bccc992d6b78f7ef037cb4f0e9
author Patrick McHardy <[EMAIL PROTECTED]> Mon, 07 Aug 2006 06:54:47 +0200
committer Patrick McHardy <[EMAIL PROTECTED]> Mon, 07 Aug 2006 06:54:47 +0200
net/ipv6/route.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index d5c39c4..c6c3cf3 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -1223,6 +1223,9 @@ int ip6_del_rt(struct rt6_info *rt, stru
int err;
struct fib6_table *table;
+ if (rt == &ip6_null_entry)
+ return -ENOENT;
+
table = rt->rt6i_table;
write_lock_bh(&table->tb6_lock);
