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authorDavid S. Miller <davem@davemloft.net>2010-08-16 14:09:34 -0700
committerDavid S. Miller <davem@davemloft.net>2010-08-16 14:09:34 -0700
commit300a103d1504134f8c4a7e831f995e917ea9b1e4 (patch)
tree7f94d5fff513d132bd0b57a9e3bd96c4cc80d707 /lib/list_debug.c
parent0a492896ac07336c98f37ad7fab4a6387b6ada78 (diff)
parentda5cabf80e2433131bf0ed8993abc0f7ea618c73 (diff)
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Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'lib/list_debug.c')
-rw-r--r--lib/list_debug.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/list_debug.c b/lib/list_debug.c
index 1a39f4e..344c710 100644
--- a/lib/list_debug.c
+++ b/lib/list_debug.c
@@ -43,6 +43,12 @@ EXPORT_SYMBOL(__list_add);
*/
void list_del(struct list_head *entry)
{
+ WARN(entry->next == LIST_POISON1,
+ "list_del corruption, next is LIST_POISON1 (%p)\n",
+ LIST_POISON1);
+ WARN(entry->next != LIST_POISON1 && entry->prev == LIST_POISON2,
+ "list_del corruption, prev is LIST_POISON2 (%p)\n",
+ LIST_POISON2);
WARN(entry->prev->next != entry,
"list_del corruption. prev->next should be %p, "
"but was %p\n", entry, entry->prev->next);