constify chmod_common/security_path_chmod

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

fs/open.c

@@ -499,7 +499,7 @@ SYSCALL_DEFINE1(chroot, const char __user *, filename)
 	return error;
 }
 
-static int chmod_common(struct path *path, umode_t mode)
+static int chmod_common(const struct path *path, umode_t mode)
 {
 	struct inode *inode = path->dentry->d_inode;
 	struct inode *delegated_inode = NULL;

include/linux/lsm_hooks.h

@@ -1374,7 +1374,7 @@ union security_list_options {
 	int (*path_rename)(struct path *old_dir, struct dentry *old_dentry,
 				struct path *new_dir,
 				struct dentry *new_dentry);
-	int (*path_chmod)(struct path *path, umode_t mode);
+	int (*path_chmod)(const struct path *path, umode_t mode);
 	int (*path_chown)(const struct path *path, kuid_t uid, kgid_t gid);
 	int (*path_chroot)(struct path *path);
 #endif

include/linux/security.h

@@ -1455,7 +1455,7 @@ int security_path_link(struct dentry *old_dentry, struct path *new_dir,
 int security_path_rename(struct path *old_dir, struct dentry *old_dentry,
 			 struct path *new_dir, struct dentry *new_dentry,
 			 unsigned int flags);
-int security_path_chmod(struct path *path, umode_t mode);
+int security_path_chmod(const struct path *path, umode_t mode);
 int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid);
 int security_path_chroot(struct path *path);
 #else	/* CONFIG_SECURITY_PATH */
@@ -1508,7 +1508,7 @@ static inline int security_path_rename(struct path *old_dir,
 	return 0;
 }
 
-static inline int security_path_chmod(struct path *path, umode_t mode)
+static inline int security_path_chmod(const struct path *path, umode_t mode)
 {
 	return 0;
 }

security/apparmor/lsm.c

@@ -334,7 +334,7 @@ static int apparmor_path_rename(struct path *old_dir, struct dentry *old_dentry,
 	return error;
 }
 
-static int apparmor_path_chmod(struct path *path, umode_t mode)
+static int apparmor_path_chmod(const struct path *path, umode_t mode)
 {
 	if (!mediated_filesystem(path->dentry))
 		return 0;

security/security.c

@@ -485,7 +485,7 @@ int security_path_truncate(const struct path *path)
 	return call_int_hook(path_truncate, 0, path);
 }
 
-int security_path_chmod(struct path *path, umode_t mode)
+int security_path_chmod(const struct path *path, umode_t mode)
 {
 	if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
 		return 0;

security/tomoyo/tomoyo.c

@@ -351,7 +351,7 @@ static int tomoyo_file_ioctl(struct file *file, unsigned int cmd,
  *
  * Returns 0 on success, negative value otherwise.
  */
-static int tomoyo_path_chmod(struct path *path, umode_t mode)
+static int tomoyo_path_chmod(const struct path *path, umode_t mode)
 {
 	return tomoyo_path_number_perm(TOMOYO_TYPE_CHMOD, path,
 				       mode & S_IALLUGO);