diff options
Diffstat (limited to 'drivers/scsi/scsi_debug.c')
| -rw-r--r-- | drivers/scsi/scsi_debug.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c index 136329b4027b..b02bdc6c2cd1 100644 --- a/drivers/scsi/scsi_debug.c +++ b/drivers/scsi/scsi_debug.c @@ -1991,7 +1991,8 @@ static void map_region(sector_t lba, unsigned int len) block = lba + alignment; rem = do_div(block, granularity); - set_bit(block, map_storep); + if (block < map_size) + set_bit(block, map_storep); lba += granularity - rem; } @@ -2011,7 +2012,8 @@ static void unmap_region(sector_t lba, unsigned int len) block = lba + alignment; rem = do_div(block, granularity); - if (rem == 0 && lba + granularity <= end) + if (rem == 0 && lba + granularity <= end && + block < map_size) clear_bit(block, map_storep); lba += granularity - rem; |