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authorDave Jones <davej@redhat.com>2006-12-06 20:37:09 -0800
committerLinus Torvalds <torvalds@woody.osdl.org>2006-12-07 08:39:35 -0800
commit8f63fdbbd6de7d734c036948bf7c4b2bebe3ad99 (patch)
tree0cd665ca44f188922064eb4dc42625463975b9e7
parent5d469ec0f40d65b2a0a704402990a43b2dafe197 (diff)
downloadop-kernel-dev-8f63fdbbd6de7d734c036948bf7c4b2bebe3ad99.zip
op-kernel-dev-8f63fdbbd6de7d734c036948bf7c4b2bebe3ad99.tar.gz
[PATCH] More list debugging context
Print the other (hopefully) known good pointer when list_head debugging too, which may yield additional clues. Also fix for 80-columns to win akpm brownie points. Signed-off-by: Dave Jones <davej@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
-rw-r--r--lib/list_debug.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/lib/list_debug.c b/lib/list_debug.c
index 7ba9d82..4350ba9 100644
--- a/lib/list_debug.c
+++ b/lib/list_debug.c
@@ -21,13 +21,15 @@ void __list_add(struct list_head *new,
struct list_head *next)
{
if (unlikely(next->prev != prev)) {
- printk(KERN_ERR "list_add corruption. next->prev should be %p, but was %p\n",
- prev, next->prev);
+ printk(KERN_ERR "list_add corruption. next->prev should be "
+ "prev (%p), but was %p. (next=%p).\n",
+ prev, next->prev, next);
BUG();
}
if (unlikely(prev->next != next)) {
- printk(KERN_ERR "list_add corruption. prev->next should be %p, but was %p\n",
- next, prev->next);
+ printk(KERN_ERR "list_add corruption. prev->next should be "
+ "next (%p), but was %p. (prev=%p).\n",
+ next, prev->next, prev);
BUG();
}
next->prev = new;
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