constify security_sb_mount()

Signed-off-by: Al Viro <[e-mail]>

include/linux/lsm_hooks.h

···
 	int (*sb_kern_mount)(struct super_block *sb, int flags, void *data);
 	int (*sb_show_options)(struct seq_file *m, struct super_block *sb);
 	int (*sb_statfs)(struct dentry *dentry);
-	int (*sb_mount)(const char *dev_name, struct path *path,
+	int (*sb_mount)(const char *dev_name, const struct path *path,
 			const char *type, unsigned long flags, void *data);
 	int (*sb_umount)(struct vfsmount *mnt, int flags);
 	int (*sb_pivotroot)(struct path *old_path, struct path *new_path);

include/linux/security.h

···
 int security_sb_kern_mount(struct super_block *sb, int flags, void *data);
 int security_sb_show_options(struct seq_file *m, struct super_block *sb);
 int security_sb_statfs(struct dentry *dentry);
-int security_sb_mount(const char *dev_name, struct path *path,
+int security_sb_mount(const char *dev_name, const struct path *path,
 		      const char *type, unsigned long flags, void *data);
 int security_sb_umount(struct vfsmount *mnt, int flags);
 int security_sb_pivotroot(struct path *old_path, struct path *new_path);
···
 	return 0;
 }
 
-static inline int security_sb_mount(const char *dev_name, struct path *path,
+static inline int security_sb_mount(const char *dev_name, const struct path *path,
 				    const char *type, unsigned long flags,
 				    void *data)
 {

security/security.c

···
 	return call_int_hook(sb_statfs, 0, dentry);
 }
 
-int security_sb_mount(const char *dev_name, struct path *path,
+int security_sb_mount(const char *dev_name, const struct path *path,
                        const char *type, unsigned long flags, void *data)
 {
 	return call_int_hook(sb_mount, 0, dev_name, path, type, flags, data);

security/selinux/hooks.c

···
 }
 
 static int selinux_mount(const char *dev_name,
-			 struct path *path,
+			 const struct path *path,
 			 const char *type,
 			 unsigned long flags,
 			 void *data)

security/tomoyo/tomoyo.c

···
  *
  * Returns 0 on success, negative value otherwise.
  */
-static int tomoyo_sb_mount(const char *dev_name, struct path *path,
+static int tomoyo_sb_mount(const char *dev_name, const struct path *path,
 			   const char *type, unsigned long flags, void *data)
 {
 	return tomoyo_mount_permission(dev_name, path, type, flags, data);