vfs: make fchmodat retry once on ESTALE errors (14ff690c) · Commits · e / devices / android_kernel_oneplus_sm8150

fs/open.c

+7 −2

Original line number	Original line	Diff line number	Diff line
	@@ -514,11 +514,16 @@ SYSCALL_DEFINE3(fchmodat, int, dfd, const char __user *, filename, umode_t, mode
	{		{
	struct path path;		struct path path;
	int error;		int error;
			unsigned int lookup_flags = LOOKUP_FOLLOW;
	error = user_path_at(dfd, filename, LOOKUP_FOLLOW, &path);		retry:
			error = user_path_at(dfd, filename, lookup_flags, &path);
	if (!error) {		if (!error) {
	error = chmod_common(&path, mode);		error = chmod_common(&path, mode);
	path_put(&path);		path_put(&path);
			if (retry_estale(error, lookup_flags)) {
			lookup_flags \|= LOOKUP_REVAL;
			goto retry;
			}
	}		}
	return error;		return error;
	}		}