vfs: have chroot retry once on ESTALE error (2771261e) · Commits · e / devices / android_kernel_teracube_emerald

fs/open.c

+7 −2

Original line number	Diff line number	Diff line
		@@ -445,8 +445,9 @@ SYSCALL_DEFINE1(chroot, const char __user *, filename)
		{
		struct path path;
		int error;

		error = user_path_dir(filename, &path);
		unsigned int lookup_flags = LOOKUP_FOLLOW \| LOOKUP_DIRECTORY;
		retry:
		error = user_path_at(AT_FDCWD, filename, lookup_flags, &path);
		if (error)
		goto out;

		@@ -465,6 +466,10 @@ SYSCALL_DEFINE1(chroot, const char __user *, filename)
		error = 0;
		dput_and_out:
		path_put(&path);
		if (retry_estale(error, lookup_flags)) {
		lookup_flags \|= LOOKUP_REVAL;
		goto retry;
		}
		out:
		return error;
		}