From 85342fa7a99b194efd69e2c971ed74a5c4df8877 Mon Sep 17 00:00:00 2001
From: Michael Kerrisk <mtk.manpages@gmail.com>
Date: Tue, 17 Jan 2017 11:13:58 +1300
Subject: [PATCH] chmod.2: ERRORS: add EPERM error for immutable/append-only
 file

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
---
 man2/chmod.2 | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/man2/chmod.2 b/man2/chmod.2
index 8f2ef9a25..fc0771742 100644
--- a/man2/chmod.2
+++ b/man2/chmod.2
@@ -278,6 +278,11 @@ and the process is not privileged (Linux: it does not have the
 .B CAP_FOWNER
 capability).
 .TP
+.B EPERM
+The file is marked immutable or append-only.
+(See
+.BR ioctl_iflags (2).)
+.TP
 .B EROFS
 The named file resides on a read-only filesystem.
 .PP