[PATCH v2 1/2] kernel/module.c: Invert add_usage_link and del_usage_link functions

From: Corentin Labbe
Date: Tue Jun 06 2017 - 08:21:19 EST


This patch just swap del_usage_link() before add_usage_link().

Signed-off-by: Corentin Labbe <clabbe.montjoie@xxxxxxxxx>
---
kernel/module.c | 18 +++++++++---------
1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/kernel/module.c b/kernel/module.c
index e3e9dbba6a5b..983b81f6d4ba 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -1663,29 +1663,29 @@ static inline void remove_notes_attrs(struct module *mod)
}
#endif /* CONFIG_KALLSYMS */

-static void add_usage_links(struct module *mod)
+static void del_usage_links(struct module *mod)
{
#ifdef CONFIG_MODULE_UNLOAD
struct module_use *use;
- int nowarn;

mutex_lock(&module_mutex);
- list_for_each_entry(use, &mod->target_list, target_list) {
- nowarn = sysfs_create_link(use->target->holders_dir,
- &mod->mkobj.kobj, mod->name);
- }
+ list_for_each_entry(use, &mod->target_list, target_list)
+ sysfs_remove_link(use->target->holders_dir, mod->name);
mutex_unlock(&module_mutex);
#endif
}

-static void del_usage_links(struct module *mod)
+static void add_usage_links(struct module *mod)
{
#ifdef CONFIG_MODULE_UNLOAD
struct module_use *use;
+ int nowarn;

mutex_lock(&module_mutex);
- list_for_each_entry(use, &mod->target_list, target_list)
- sysfs_remove_link(use->target->holders_dir, mod->name);
+ list_for_each_entry(use, &mod->target_list, target_list) {
+ nowarn = sysfs_create_link(use->target->holders_dir,
+ &mod->mkobj.kobj, mod->name);
+ }
mutex_unlock(&module_mutex);
#endif
}
--
2.13.0