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always call inode_change_ok early in ->setattr

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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>
This commit is contained in:
Christoph Hellwig 2010-06-04 11:30:03 +02:00 • committed by Al Viro
parent 1025774ce4
commit db78b877f7
6 changed files with 48 additions and 48 deletions
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8
fs/reiserfs/inode.c
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@ -3084,6 +3084,10 @@ int reiserfs_setattr(struct dentry *dentry, struct iattr *attr)
int depth;
int error;
error = inode_change_ok(inode, attr);
if (error)
return error;
/* must be turned off for recursive notify_change calls */
ia_valid = attr->ia_valid &= ~(ATTR_KILL_SUID|ATTR_KILL_SGID);
@ -3133,10 +3137,6 @@ int reiserfs_setattr(struct dentry *dentry, struct iattr *attr)
goto out;
}
error = inode_change_ok(inode, attr);
if (error)
goto out;
if ((ia_valid & ATTR_UID && attr->ia_uid != inode->i_uid) ||
(ia_valid & ATTR_GID && attr->ia_gid != inode->i_gid)) {
struct reiserfs_transaction_handle th;