The patch titled
Subject: xattr: fix check for simultaneous glibc header inclusion
has been added to the -mm tree. Its filename is
xattr-fix-check-for-simultaneous-glibc-header-inclusion.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/xattr-fix-check-for-simultaneous-glibc-header-inclusion.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/xattr-fix-check-for-simultaneous-glibc-header-inclusion.patch
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------------------------------------------------------
From: Filipe Brandenburger <filbranden@xxxxxxxxxx>
Subject: xattr: fix check for simultaneous glibc header inclusion
The guard was introduced in ea1a8217b06b41 ("xattr: guard against
simultaneous glibc header inclusion") but it is using #ifdef to check for
a define that is either set to 1 or 0. Fix it to use #if instead.
* Without this patch:
$ { echo "#include <sys/xattr.h>"; echo "#include <linux/xattr.h>"; } | gcc -E -Iinclude/uapi - >/dev/null
include/uapi/linux/xattr.h:19:0: warning: "XATTR_CREATE" redefined [enabled by default]
#define XATTR_CREATE 0x1 /* set value, fail if attr already exists */
^
/usr/include/x86_64-linux-gnu/sys/xattr.h:32:0: note: this is the location of the previous definition
#define XATTR_CREATE XATTR_CREATE
^
* With this patch:
$ { echo "#include <sys/xattr.h>"; echo "#include <linux/xattr.h>"; } | gcc -E -Iinclude/uapi - >/dev/null
(no warnings)
Signed-off-by: Filipe Brandenburger <filbranden@xxxxxxxxxx>
Cc: Serge Hallyn <serge.hallyn@xxxxxxxxxx>
Cc: Allan McRae <allan@xxxxxxxxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/uapi/linux/xattr.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN include/uapi/linux/xattr.h~xattr-fix-check-for-simultaneous-glibc-header-inclusion include/uapi/linux/xattr.h
--- a/include/uapi/linux/xattr.h~xattr-fix-check-for-simultaneous-glibc-header-inclusion
+++ a/include/uapi/linux/xattr.h
@@ -13,7 +13,7 @@
#ifndef _UAPI_LINUX_XATTR_H
#define _UAPI_LINUX_XATTR_H
-#ifdef __UAPI_DEF_XATTR
+#if __UAPI_DEF_XATTR
#define __USE_KERNEL_XATTR_DEFS
#define XATTR_CREATE 0x1 /* set value, fail if attr already exists */
_
Patches currently in -mm which might be from filbranden@xxxxxxxxxx are
xattr-fix-check-for-simultaneous-glibc-header-inclusion.patch
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