On Tue, May 09, 2006 at 12:41:38PM -0700, Andrew Morton wrote:
> "Mike Miller (OS Dev)" <[email protected]> wrote:
> >
> > Patch 1/1
> > Sometimes partitions claim to be larger than the reported capacity of a
> > disk device. This patch makes the kernel ignore those partitions.
> >
> > Signed-off-by: Mike Miller <[email protected]>
> > Signed-off-by: Stephen Cameron <[email protected]>
> >
> > Please consider this for inclusion.
> >
> >
> > fs/partitions/check.c | 5 +++++
> > 1 files changed, 5 insertions(+)
> >
> > --- linux-2.6.14/fs/partitions/check.c~partition_vs_capacity 2006-01-06 09:32:14.000000000 -0600
> > +++ linux-2.6.14-root/fs/partitions/check.c 2006-01-06 11:24:50.000000000 -0600
> > @@ -382,6 +382,11 @@ int rescan_partitions(struct gendisk *di
> > sector_t from = state->parts[p].from;
> > if (!size)
> > continue;
> > + if (from+size-1 > get_capacity(disk)) {
> > + printk(" %s: p%d exceeds device capacity, ignoring.\n",
> > + disk->disk_name, p);
> > + continue;
> > + }
> > add_partition(disk, p, from, size);
> > #ifdef CONFIG_BLK_DEV_MD
> > if (state->parts[p].flags)
>
> Shouldn't that be
>
> if (from+size > get_capacity(disk)) {
>
> ?
>
Since the partition size is 0-based this is correct:
if (from+size-1 > get_capacity(disk)) {
mikem
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