tomoyo_close_control: don't bother with return value

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

3 files changed, 4 insertions, 8 deletions

diff --git a/security/tomoyo/common.c b/security/tomoyo/common.c
index f89a0333b813..283862aebdc8 100644
--- a/security/tomoyo/common.c
+++ b/security/tomoyo/common.c
@@ -2681,10 +2681,8 @@ out:
  * tomoyo_close_control - close() for /sys/kernel/security/tomoyo/ interface.
  *
  * @head: Pointer to "struct tomoyo_io_buffer".
- *
- * Returns 0.
  */
-int tomoyo_close_control(struct tomoyo_io_buffer *head)
+void tomoyo_close_control(struct tomoyo_io_buffer *head)
 {
         /*
          * If the file is /sys/kernel/security/tomoyo/query , decrement the
@@ -2694,7 +2692,6 @@ int tomoyo_close_control(struct tomoyo_io_buffer *head)
             atomic_dec_and_test(&tomoyo_query_observers))
                 wake_up_all(&tomoyo_answer_wait);
         tomoyo_notify_gc(head, false);
-        return 0;
 }
 
 /**
diff --git a/security/tomoyo/common.h b/security/tomoyo/common.h
index d4f166bc3508..b897d4862016 100644
--- a/security/tomoyo/common.h
+++ b/security/tomoyo/common.h
@@ -958,7 +958,7 @@ const struct tomoyo_path_info *tomoyo_path_matches_group
 (const struct tomoyo_path_info *pathname, const struct tomoyo_group *group);
 int tomoyo_check_open_permission(struct tomoyo_domain_info *domain,
                                  struct path *path, const int flag);
-int tomoyo_close_control(struct tomoyo_io_buffer *head);
+void tomoyo_close_control(struct tomoyo_io_buffer *head);
 int tomoyo_env_perm(struct tomoyo_request_info *r, const char *env);
 int tomoyo_execute_permission(struct tomoyo_request_info *r,
                               const struct tomoyo_path_info *filename);
diff --git a/security/tomoyo/securityfs_if.c b/security/tomoyo/securityfs_if.c
index fcf32783b66b..179a955b319d 100644
--- a/security/tomoyo/securityfs_if.c
+++ b/security/tomoyo/securityfs_if.c
@@ -143,14 +143,13 @@ static int tomoyo_open(struct inode *inode, struct file *file)
 /**
  * tomoyo_release - close() for /sys/kernel/security/tomoyo/ interface.
  *
- * @inode: Pointer to "struct inode".
  * @file:  Pointer to "struct file".
  *
- * Returns 0 on success, negative value otherwise.
  */
 static int tomoyo_release(struct inode *inode, struct file *file)
 {
-        return tomoyo_close_control(file->private_data);
+        tomoyo_close_control(file->private_data);
+        return 0;
 }
 
 /**