[PATCH] make kernel ignore bogus partitions

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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)

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