From: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
To: agruen@kernel.org, bfields@fieldses.org,
akpm@linux-foundation.org, viro@zeniv.linux.org.uk,
dhowells@redhat.com
Cc: aneesh.kumar@linux.vnet.ibm.com, linux-fsdevel@vger.kernel.org,
linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH -V1 04/22] vfs: check for directory early
Date: Sun, 27 Apr 2014 21:44:35 +0530 [thread overview]
Message-ID: <1398615293-22931-5-git-send-email-aneesh.kumar@linux.vnet.ibm.com> (raw)
In-Reply-To: <1398615293-22931-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com>
From: Andreas Gruenbacher <agruen@kernel.org>
Signed-off-by: Andreas Gruenbacher <agruen@kernel.org>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
---
fs/namei.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/fs/namei.c b/fs/namei.c
index c7fee619691f..7d93d195f0e5 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -3868,6 +3868,9 @@ int vfs_link(struct dentry *old_dentry, struct inode *dir, struct dentry *new_de
if (!inode)
return -ENOENT;
+ if (S_ISDIR(inode->i_mode))
+ return -EPERM;
+
error = may_create(dir, new_dentry);
if (error)
return error;
@@ -3882,8 +3885,6 @@ int vfs_link(struct dentry *old_dentry, struct inode *dir, struct dentry *new_de
return -EPERM;
if (!dir->i_op->link)
return -EPERM;
- if (S_ISDIR(inode->i_mode))
- return -EPERM;
error = security_inode_link(old_dentry, dir, new_dentry);
if (error)
--
1.9.1
next prev parent reply other threads:[~2014-04-27 16:16 UTC|newest]
Thread overview: 65+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-27 16:14 [PATCH -V1 00/22] New ACL format for better NFSv4 acl interoperability Aneesh Kumar K.V
2014-04-27 16:14 ` [PATCH -V1 01/22] vfs: Add generic IS_ACL() test for acl support Aneesh Kumar K.V
2014-04-27 16:14 ` [PATCH -V1 02/22] vfs: Add IS_RICHACL() test for richacl support Aneesh Kumar K.V
2014-04-27 16:14 ` Aneesh Kumar K.V
2014-04-27 16:14 ` [PATCH -V1 03/22] vfs: Optimize out IS_RICHACL() if CONFIG_FS_RICHACL is not defined Aneesh Kumar K.V
2014-04-27 16:14 ` Aneesh Kumar K.V [this message]
2014-04-27 16:14 ` [PATCH -V1 05/22] vfs: Add new file and directory create permission flags Aneesh Kumar K.V
2014-04-28 11:23 ` Jeff Layton
2014-04-29 0:04 ` Dave Chinner
2014-04-29 0:04 ` Dave Chinner
2014-05-01 15:16 ` Aneesh Kumar K.V
2014-05-01 15:16 ` Aneesh Kumar K.V
2014-04-27 16:14 ` [PATCH -V1 06/22] vfs: Add delete child and delete self " Aneesh Kumar K.V
2014-04-29 0:07 ` Dave Chinner
2014-05-01 15:18 ` Aneesh Kumar K.V
2014-04-27 16:14 ` [PATCH -V1 07/22] vfs: Make the inode passed to inode_change_ok non-const Aneesh Kumar K.V
2014-04-27 16:14 ` [PATCH -V1 08/22] vfs: Add permission flags for setting file attributes Aneesh Kumar K.V
2014-04-29 0:17 ` Dave Chinner
2014-05-01 15:20 ` Aneesh Kumar K.V
2014-05-01 15:20 ` Aneesh Kumar K.V
2014-04-27 16:14 ` [PATCH -V1 09/22] vfs: Make acl_permission_check() work for richacls Aneesh Kumar K.V
2014-04-29 0:20 ` Dave Chinner
2014-05-01 15:39 ` Aneesh Kumar K.V
2014-05-01 15:39 ` Aneesh Kumar K.V
2014-04-27 16:14 ` [PATCH -V1 10/22] richacl: In-memory representation and helper functions Aneesh Kumar K.V
2014-04-29 0:24 ` Dave Chinner
2014-05-01 15:42 ` Aneesh Kumar K.V
2014-05-06 9:35 ` Kinglong Mee
2014-05-06 9:35 ` Kinglong Mee
2014-04-27 16:14 ` [PATCH -V1 11/22] richacl: Permission mapping functions Aneesh Kumar K.V
2014-04-27 16:14 ` [PATCH -V1 12/22] richacl: Compute maximum file masks from an acl Aneesh Kumar K.V
2014-04-27 16:14 ` [PATCH -V1 13/22] richacl: Update the file masks in chmod() Aneesh Kumar K.V
2014-04-27 16:14 ` Aneesh Kumar K.V
2014-04-27 16:14 ` [PATCH -V1 14/22] richacl: Permission check algorithm Aneesh Kumar K.V
2014-04-27 16:14 ` [PATCH -V1 15/22] richacl: Create-time inheritance Aneesh Kumar K.V
2014-04-27 16:14 ` [PATCH -V1 16/22] richacl: Check if an acl is equivalent to a file mode Aneesh Kumar K.V
2014-04-27 16:14 ` [PATCH -V1 17/22] richacl: Automatic Inheritance Aneesh Kumar K.V
2014-04-27 16:14 ` [PATCH -V1 18/22] richacl: xattr mapping functions Aneesh Kumar K.V
2014-04-27 16:14 ` [PATCH -V1 19/22] vfs: Cache richacl in struct inode Aneesh Kumar K.V
2014-04-27 16:14 ` Aneesh Kumar K.V
2014-04-29 0:52 ` Dave Chinner
2014-04-29 0:52 ` Dave Chinner
2014-04-29 12:16 ` Matthew Wilcox
2014-05-01 15:45 ` Aneesh Kumar K.V
2014-04-27 16:14 ` [PATCH -V1 20/22] vfs: Add richacl permission check Aneesh Kumar K.V
2014-04-27 16:14 ` [PATCH -V1 21/22] ext4: Implement rich acl for ext4 Aneesh Kumar K.V
2014-04-27 16:14 ` [PATCH -V1 22/22] ext4: Add Ext4 compat richacl feature flag Aneesh Kumar K.V
2014-04-28 21:31 ` Andreas Dilger
2014-04-28 21:31 ` Andreas Dilger
2014-05-01 15:48 ` Aneesh Kumar K.V
2014-05-01 15:48 ` Aneesh Kumar K.V
2014-05-01 17:52 ` Andreas Dilger
2014-04-27 22:20 ` [PATCH -V1 00/22] New ACL format for better NFSv4 acl interoperability Dave Chinner
2014-04-27 22:20 ` Dave Chinner
2014-04-28 5:24 ` Aneesh Kumar K.V
2014-04-28 5:24 ` Aneesh Kumar K.V
2014-04-28 23:58 ` Dave Chinner
2014-05-01 15:49 ` Aneesh Kumar K.V
2014-05-01 15:49 ` Aneesh Kumar K.V
2014-04-28 4:39 ` Christoph Hellwig
2014-04-28 5:54 ` Aneesh Kumar K.V
2014-04-28 5:54 ` Aneesh Kumar K.V
2014-04-28 9:03 ` Christoph Hellwig
2014-04-28 9:03 ` Christoph Hellwig
2014-05-06 20:15 ` J. Bruce Fields
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