On Mon, 19 Oct 2020 13:26:06 -0600, "Theo de Raadt" wrote:
> Todd C. Miller <[email protected]> wrote:
>
> > For some reason, cmplabel() in disklabel.c doesn't compare the
> > bounds values when it checks for changes. I'm not sure what the
> > reason for that is, it seems like we should write the new label
> > even if the only change is in the bounds.
>
> I guess it got missed. Let's see a diff :-)
Well, it seemed intentional; I was unsure why you added those bits.
- todd
Index: sbin/disklabel/disklabel.c
===================================================================
RCS file: /cvs/src/sbin/disklabel/disklabel.c,v
retrieving revision 1.235
diff -u -p -u -r1.235 disklabel.c
--- sbin/disklabel/disklabel.c 28 Jun 2019 13:32:43 -0000 1.235
+++ sbin/disklabel/disklabel.c 19 Oct 2020 19:27:19 -0000
@@ -1198,10 +1198,6 @@ cmplabel(struct disklabel *lp1, struct d
lab1.d_checksum = lab2.d_checksum;
lab1.d_bbsize = lab2.d_bbsize;
lab1.d_sbsize = lab2.d_sbsize;
- lab1.d_bstart = lab2.d_bstart;
- lab1.d_bstarth = lab2.d_bstarth;
- lab1.d_bend = lab2.d_bend;
- lab1.d_bendh = lab2.d_bendh;
return (memcmp(&lab1, &lab2, sizeof(struct disklabel)));
}