4 files changed, 8 insertions, 12 deletions
diff --git a/security/tomoyo/common.h b/security/tomoyo/common.h
index af010b62d544..d4f166bc3508 100644
--- a/security/tomoyo/common.h
+++ b/security/tomoyo/common.h
@@ -970,7 +970,7 @@ int tomoyo_init_request_info(struct tomoyo_request_info *r,
 			     const u8 index);
 int tomoyo_mkdev_perm(const u8 operation, struct path *path,
 		      const unsigned int mode, unsigned int dev);
-int tomoyo_mount_permission(char *dev_name, struct path *path,
+int tomoyo_mount_permission(const char *dev_name, struct path *path,
 			    const char *type, unsigned long flags,
 			    void *data_page);
 int tomoyo_open_control(const u8 type, struct file *file);
diff --git a/security/tomoyo/mount.c b/security/tomoyo/mount.c
index fe00cdfd0267..390c646013cb 100644
--- a/security/tomoyo/mount.c
+++ b/security/tomoyo/mount.c
@@ -71,7 +71,8 @@ static bool tomoyo_check_mount_acl(struct tomoyo_request_info *r,
  *
  * Caller holds tomoyo_read_lock().
  */
-static int tomoyo_mount_acl(struct tomoyo_request_info *r, char *dev_name,
+static int tomoyo_mount_acl(struct tomoyo_request_info *r,
+			    const char *dev_name,
 			    struct path *dir, const char *type,
 			    unsigned long flags)
 {
@@ -183,7 +184,7 @@ static int tomoyo_mount_acl(struct tomoyo_request_info *r, char *dev_name,
  *
  * Returns 0 on success, negative value otherwise.
  */
-int tomoyo_mount_permission(char *dev_name, struct path *path,
+int tomoyo_mount_permission(const char *dev_name, struct path *path,
 			    const char *type, unsigned long flags,
 			    void *data_page)
 {
diff --git a/security/tomoyo/tomoyo.c b/security/tomoyo/tomoyo.c
index d88eb3a046ed..a2ee362546ab 100644
--- a/security/tomoyo/tomoyo.c
+++ b/security/tomoyo/tomoyo.c
@@ -408,8 +408,8 @@ static int tomoyo_path_chroot(struct path *path)
  *
  * Returns 0 on success, negative value otherwise.
  */
-static int tomoyo_sb_mount(char *dev_name, struct path *path,
-			   char *type, unsigned long flags, void *data)
+static int tomoyo_sb_mount(const char *dev_name, struct path *path,
+			   const char *type, unsigned long flags, void *data)
 {
 	return tomoyo_mount_permission(dev_name, path, type, flags, data);
 }
diff --git a/security/tomoyo/util.c b/security/tomoyo/util.c
index 867558c98334..2952ba576fb9 100644
--- a/security/tomoyo/util.c
+++ b/security/tomoyo/util.c
@@ -949,18 +949,13 @@ bool tomoyo_path_matches_pattern(const struct tomoyo_path_info *filename,
 const char *tomoyo_get_exe(void)
 {
 	struct mm_struct *mm = current->mm;
-	struct vm_area_struct *vma;
 	const char *cp = NULL;
 
 	if (!mm)
 		return NULL;
 	down_read(&mm->mmap_sem);
-	for (vma = mm->mmap; vma; vma = vma->vm_next) {
-		if ((vma->vm_flags & VM_EXECUTABLE) && vma->vm_file) {
-			cp = tomoyo_realpath_from_path(&vma->vm_file->f_path);
-			break;
-		}
-	}
+	if (mm->exe_file)
+		cp = tomoyo_realpath_from_path(&mm->exe_file->f_path);
 	up_read(&mm->mmap_sem);
 	return cp;
 }