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

fs/open.c

+7 −2

Original line number	Diff line number	Diff line
		@@ -514,11 +514,16 @@ SYSCALL_DEFINE3(fchmodat, int, dfd, const char __user *, filename, umode_t, mode
		{
		struct path path;
		int error;

		error = user_path_at(dfd, filename, LOOKUP_FOLLOW, &path);
		unsigned int lookup_flags = LOOKUP_FOLLOW;
		retry:
		error = user_path_at(dfd, filename, lookup_flags, &path);
		if (!error) {
		error = chmod_common(&path, mode);
		path_put(&path);
		if (retry_estale(error, lookup_flags)) {
		lookup_flags \|= LOOKUP_REVAL;
		goto retry;
		}
		}
		return error;
		}