diff options
-rw-r--r-- | drivers/md/dm-log.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/md/dm-log.c b/drivers/md/dm-log.c index 40ed70df6736..737961f275c1 100644 --- a/drivers/md/dm-log.c +++ b/drivers/md/dm-log.c | |||
@@ -457,6 +457,14 @@ static int create_log_context(struct dm_dirty_log *log, struct dm_target *ti, | |||
457 | */ | 457 | */ |
458 | buf_size = dm_round_up((LOG_OFFSET << SECTOR_SHIFT) + | 458 | buf_size = dm_round_up((LOG_OFFSET << SECTOR_SHIFT) + |
459 | bitset_size, ti->limits.hardsect_size); | 459 | bitset_size, ti->limits.hardsect_size); |
460 | |||
461 | if (buf_size > dev->bdev->bd_inode->i_size) { | ||
462 | DMWARN("log device %s too small: need %llu bytes", | ||
463 | dev->name, (unsigned long long)buf_size); | ||
464 | kfree(lc); | ||
465 | return -EINVAL; | ||
466 | } | ||
467 | |||
460 | lc->header_location.count = buf_size >> SECTOR_SHIFT; | 468 | lc->header_location.count = buf_size >> SECTOR_SHIFT; |
461 | 469 | ||
462 | lc->io_req.mem.type = DM_IO_VMA; | 470 | lc->io_req.mem.type = DM_IO_VMA; |