[PATCH] Don't reference NULL klist pointer in klist_remove().

Signed-off-by: Patrick Mochel <mochel@digitalimplant.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> diff -Nru a/lib/klist.c b/lib/klist.c
git-mirror · Jun 20, 2005 · 0293a50 · 0293a50
1 parent 0956af5
commit 0293a50
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/lib/klist.c b/lib/klist.c
@@ -145,9 +145,10 @@ EXPORT_SYMBOL_GPL(klist_del);
 
 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);
 }