[PATCH] inode_change_ok(): remove lock_kernel()

`attr' is on the stack, and the inode's contents can change as soon as we
return from inode_change_ok() anyway.  I can't see anything which is actually
being locked in there.

fs/attr.c

@@ -22,8 +22,6 @@ int inode_change_ok(struct inode *inode, struct iattr *attr)
 	int retval = -EPERM;
 	unsigned int ia_valid = attr->ia_valid;
 
-	lock_kernel();
-
 	/* If force is set do it anyway. */
 	if (ia_valid & ATTR_FORCE)
 		goto fine;
@@ -58,7 +56,6 @@ int inode_change_ok(struct inode *inode, struct iattr *attr)
 fine:
 	retval = 0;
 error:
-	unlock_kernel();
 	return retval;
 }