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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 <[email protected]>
Signed-off-by: Al Viro <[email protected]>
This commit is contained in:
Christoph Hellwig 2010-06-04 11:30:03 +02:00 • committed by Al Viro
commit db78b877f7
6 changed files with 48 additions and 48 deletions
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29
fs/cifs/inode.c
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@ -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);