linux-kernel - [PATCH v2 1/2] kernel/module.c: Invert add_usage_link and del_usage

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Date:   Tue,  6 Jun 2017 14:17:39 +0200
From:   Corentin Labbe <clabbe.montjoie@...il.com>
To:     jeyu@...hat.com, rusty@...tcorp.com.au
Cc:     linux-kernel@...r.kernel.org,
        Corentin Labbe <clabbe.montjoie@...il.com>
Subject: [PATCH v2 1/2] kernel/module.c: Invert add_usage_link and del_usage_link functions

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

Signed-off-by: Corentin Labbe <clabbe.montjoie@...il.com>
---
 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