consitify do_mount() arguments

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

3 files changed, 6 insertions, 5 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);
 }