From cb11e718ce04261cb6ff4c09442b949da33b8797 Mon Sep 17 00:00:00 2001
From: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Date: Sat, 5 Sep 2020 17:55:45 +0200
Subject: [PATCH] fanotify.h: fix build with uclibc

MAX_HANDLE_SZ is used since version 20200515 and
https://github.com/linux-test-project/ltp/commit/d20a3e8f9a794e0659277acfa9fbcf7454ba4631

However, it is not defined by uclibc, so define it if needed to avoid
the following build failure:

fanotify.h:171:11: error: 'MAX_HANDLE_SZ' undeclared here (not in a function)
  171 |  char buf[MAX_HANDLE_SZ];

Fixes:
 - http://autobuild.buildroot.org/results/fb0a67b15482e76b379b4b4d9c43b45bb0fccae1

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Reviewed-by: Cyril Hrubis <chrubis@suse.cz>
[Retrieved from:
https://github.com/linux-test-project/ltp/commit/cb11e718ce04261cb6ff4c09442b949da33b8797]
---
 testcases/kernel/syscalls/fanotify/fanotify.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/testcases/kernel/syscalls/fanotify/fanotify.h b/testcases/kernel/syscalls/fanotify/fanotify.h
index a9a431ca2f..d271578e97 100644
--- a/testcases/kernel/syscalls/fanotify/fanotify.h
+++ b/testcases/kernel/syscalls/fanotify/fanotify.h
@@ -139,6 +139,11 @@ struct fanotify_event_info_fid {
 #endif /* HAVE_STRUCT_FANOTIFY_EVENT_INFO_FID_FSID___VAL */
 
 #ifdef HAVE_NAME_TO_HANDLE_AT
+
+#ifndef MAX_HANDLE_SZ
+#define MAX_HANDLE_SZ		128
+#endif
+
 /*
  * Helper function used to obtain fsid and file_handle for a given path.
  * Used by test files correlated to FAN_REPORT_FID functionality.