2005-03-25 06:09:28

by Patrick Mochel

[permalink] [raw]
Subject: [9/12] More Driver Model Locking Changes


[email protected], 2005-03-24 18:59:59-08:00, [email protected]
[klist] Don't reference NULL klist pointer in klist_remove().


Signed-off-by: Patrick Mochel <[email protected]>

diff -Nru a/lib/klist.c b/lib/klist.c
--- a/lib/klist.c 2005-03-24 20:33:01 -08:00
+++ b/lib/klist.c 2005-03-24 20:33:01 -08:00
@@ -145,9 +145,10 @@

void klist_remove(struct klist_node * n)
{
- spin_lock(&n->n_klist->k_lock);
+ struct klist * k = n->n_klist;
+ spin_lock(&k->k_lock);
klist_dec_and_del(n);
- spin_unlock(&n->n_klist->k_lock);
+ spin_unlock(&k->k_lock);
wait_for_completion(&n->n_removed);
}