X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Flinux%2Flockdep.h;h=14c937d345cb135916fff7a44878a631b9ae3813;hb=e3a55fd18deab758a2970e0dfcd60a677a920426;hp=7e1160dde5e7cd052fcf67ac2852f7ecc1bb7062;hpb=cb18eccff48ef3986d1072964590bce6fec705fb;p=linux-2.6

diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h
index 7e1160dde5..14c937d345 100644
--- a/include/linux/lockdep.h
+++ b/include/linux/lockdep.h
@@ -8,6 +8,8 @@
 #ifndef __LINUX_LOCKDEP_H
 #define __LINUX_LOCKDEP_H
 
+struct task_struct;
+
 #ifdef CONFIG_LOCKDEP
 
 #include <linux/linkage.h>
@@ -243,7 +245,7 @@ extern void lock_release(struct lockdep_map *lock, int nested,
 
 # define INIT_LOCKDEP				.lockdep_recursion = 0,
 
-#define lockdep_depth(tsk)	((tsk)->lockdep_depth)
+#define lockdep_depth(tsk)	(debug_locks ? (tsk)->lockdep_depth : 0)
 
 #else /* !LOCKDEP */