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authorChristoph Hellwig <hch@lst.de>2010-06-04 11:30:03 +0200
committerAl Viro <viro@zeniv.linux.org.uk>2010-08-09 16:47:38 -0400
commitdb78b877f7744bec4a9d9f9e7d10da3931d7cd39 (patch)
treefd9ee2fbe0998218b6d90322f85b285887e6fe9d /fs/cifs
parent1025774ce411f2bd4b059ad7b53f0003569b74fa (diff)
downloadop-kernel-dev-db78b877f7744bec4a9d9f9e7d10da3931d7cd39.zip
op-kernel-dev-db78b877f7744bec4a9d9f9e7d10da3931d7cd39.tar.gz
always call inode_change_ok early in ->setattr
Make sure we call inode_change_ok before doing any changes in ->setattr, and make sure to call it even if our fs wants to ignore normal UNIX permissions, but use the ATTR_FORCE to skip those. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/cifs')
-rw-r--r--fs/cifs/inode.c29
1 files changed, 13 insertions, 16 deletions
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index 9c6a40f..b95f4a5 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -1796,14 +1796,12 @@ cifs_setattr_unix(struct dentry *direntry, struct iattr *attrs)
xid = GetXid();
- if ((cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_PERM) == 0) {
- /* check if we have permission to change attrs */
- rc = inode_change_ok(inode, attrs);
- if (rc < 0)
- goto out;
- else
- rc = 0;
- }
+ if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_PERM)
+ attrs->ia_valid |= ATTR_FORCE;
+
+ rc = inode_change_ok(inode, attrs);
+ if (rc < 0)
+ goto out;
full_path = build_path_from_dentry(direntry);
if (full_path == NULL) {
@@ -1934,14 +1932,13 @@ cifs_setattr_nounix(struct dentry *direntry, struct iattr *attrs)
cFYI(1, "setattr on file %s attrs->iavalid 0x%x",
direntry->d_name.name, attrs->ia_valid);
- if ((cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_PERM) == 0) {
- /* check if we have permission to change attrs */
- rc = inode_change_ok(inode, attrs);
- if (rc < 0) {
- FreeXid(xid);
- return rc;
- } else
- rc = 0;
+ if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_PERM)
+ attrs->ia_valid |= ATTR_FORCE;
+
+ rc = inode_change_ok(inode, attrs);
+ if (rc < 0) {
+ FreeXid(xid);
+ return rc;
}
full_path = build_path_from_dentry(direntry);
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