[PATCH] jump_label: fix jump_label update

Xiao Guangrong
2011-06-17T20:02:07Z

The key of module is out of __stop___jump_table, it causes the events
of modules does not work

This bug is introduced by commit: 7cbc5b8d4a775a43875a09e29c49a2a8195b5b2d

Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
---
kernel/jump_label.c | 8 ++++++--
1 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/kernel/jump_label.c b/kernel/jump_label.c
index fa27e75..dcad2fb 100644
--- a/kernel/jump_label.c
+++ b/kernel/jump_label.c
@@ -375,11 +375,15 @@ int jump_label_text_reserved(void *start, void *end)

static void jump_label_update(struct jump_label_key *key, int enable)
{
- struct jump_entry *entry = key->entries;
+ struct jump_entry *entry = key->entries, *stop = __stop___jump_table;
+ struct module *mod = __module_address((jump_label_t)key);
+
+ if (mod)
+ stop = mod->jump_entries + mod->num_jump_entries;

/* if there are no users, entry can be NULL */
if (entry)
- __jump_label_update(key, entry, __stop___jump_table, enable);
+ __jump_label_update(key, entry, stop, enable);

#ifdef CONFIG_MODULES
__jump_label_mod_update(key, enable);
--
1.7.5.4