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-rw-r--r--fs/partitions/check.c17
1 files changed, 15 insertions, 2 deletions
diff --git a/fs/partitions/check.c b/fs/partitions/check.c
index 7408227c49c9..fbeb2f372a93 100644
--- a/fs/partitions/check.c
+++ b/fs/partitions/check.c
@@ -538,10 +538,23 @@ int rescan_partitions(struct gendisk *disk, struct block_device *bdev)
sector_t from = state->parts[p].from;
if (!size)
continue;
+ if (from >= get_capacity(disk)) {
+ printk(KERN_WARNING
+ "%s: p%d ignored, start %llu is behind the end of the disk\n",
+ disk->disk_name, p, (unsigned long long) from);
+ continue;
+ }
if (from + size > get_capacity(disk)) {
+ /*
+ * we can not ignore partitions of broken tables
+ * created by for example camera firmware, but we
+ * limit them to the end of the disk to avoid
+ * creating invalid block devices
+ */
printk(KERN_WARNING
- "%s: p%d exceeds device capacity\n",
- disk->disk_name, p);
+ "%s: p%d size %llu limited to end of disk\n",
+ disk->disk_name, p, (unsigned long long) size);
+ size = get_capacity(disk) - from;
}
res = add_partition(disk, p, from, size, state->parts[p].flags);
if (res) {