Messages in this thread Patch in this message | | | Date | Mon, 28 Jun 2021 10:47:13 +0200 | From | Greg KH <> | Subject | Re: [RFC][PATCH 04/12] digest_lists: Objects |
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On Mon, Jun 28, 2021 at 08:14:41AM +0000, Roberto Sassu wrote: > > From: Greg KH [mailto:gregkh@linuxfoundation.org] > > Sent: Sunday, June 27, 2021 12:56 PM > > On Fri, Jun 25, 2021 at 06:56:06PM +0200, Roberto Sassu wrote: > > > +++ b/security/integrity/digest_lists/digest_lists.h > > > @@ -0,0 +1,117 @@ > > > +/* SPDX-License-Identifier: GPL-2.0 */ > > > +/* > > > + * Copyright (C) 2005,2006,2007,2008 IBM Corporation > > > + * Copyright (C) 2017-2021 Huawei Technologies Duesseldorf GmbH > > > + * > > > + * Author: Roberto Sassu <roberto.sassu@huawei.com> > > > + * > > > + * This program is free software; you can redistribute it and/or > > > + * modify it under the terms of the GNU General Public License as > > > + * published by the Free Software Foundation, version 2 of the > > > + * License. > > > + * > > > + * File: digest_lists.h > > > + * Unexported definitions for digest lists. > > Unexported to whom? > > Hi Greg > > I meant not placed in include/linux.
That's obvious based on the location of the file :)
> > > + > > > +static inline struct compact_list_hdr *get_hdr( > > > + struct digest_list_item *digest_list, > > > + loff_t hdr_offset) > > > +{ > > > + return (struct compact_list_hdr *)(digest_list->buf + hdr_offset); > > > +} > > > > pointer math feels rough, are you shure you want to do this this way? > > Maybe, I could change digest_list_item_ref to: > > struct digest_list_item_ref { > struct digest_list_item *digest_list; > u8 *digest; > struct compact_list_hdr *hdr; > }; > > where digest and hdr are calculated in the same way.
That works better, no need to do pointer math if you do not have to.
thanks,
greg k-h
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