lkml.org 
[lkml]   [2014]   [Jan]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Date
Subject[PATCH 1/3] vfs: Introduce XATTR_SET_MASK
This will be used to separate the xattr operations from the AT_* flags.

Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Florian Weimer <fweimer@redhat.com>
---
fs/xattr.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/fs/xattr.c b/fs/xattr.c
index 3377dff..9e44641 100644
--- a/fs/xattr.c
+++ b/fs/xattr.c
@@ -24,6 +24,8 @@

#include <asm/uaccess.h>

+#define XATTR_SET_MASK (XATTR_CREATE | XATTR_REPLACE)
+
/*
* Check permissions for extended attribute access. This is a bit complicated
* because different namespaces have very different rules.
@@ -327,7 +329,7 @@ setxattr(struct dentry *d, const char __user *name, const void __user *value,
void *vvalue = NULL; /* If non-NULL, we used vmalloc() */
char kname[XATTR_NAME_MAX + 1];

- if (flags & ~(XATTR_CREATE|XATTR_REPLACE))
+ if (flags & ~XATTR_SET_MASK)
return -EINVAL;

error = strncpy_from_user(kname, name, sizeof(kname));
--
1.8.3.1


\
 
 \ /
  Last update: 2014-01-21 17:41    [W:0.023 / U:0.164 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site