diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-10-09 00:17:25 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-10-09 00:17:25 +0200 |
commit | cdbb92b31d3c465aa96bd09f2d42c39b87b32bee (patch) | |
tree | 370e29681529882d7e4c766a19f0612885583464 /drivers/md/dm.c | |
parent | 2ec2b482b10a1ed3493c224f1893cddd3d33833b (diff) | |
parent | 69849375d6b13e94d08cdc94b49b11fbab454a0e (diff) |
Merge branch 'linus' into core/rcu
Diffstat (limited to 'drivers/md/dm.c')
-rw-r--r-- | drivers/md/dm.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/md/dm.c b/drivers/md/dm.c index bca448e1187..ace998ce59f 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -837,12 +837,14 @@ static int dm_merge_bvec(struct request_queue *q, struct dm_table *map = dm_get_table(md); struct dm_target *ti; sector_t max_sectors; - int max_size; + int max_size = 0; if (unlikely(!map)) - return 0; + goto out; ti = dm_table_find_target(map, bvm->bi_sector); + if (!dm_target_is_valid(ti)) + goto out_table; /* * Find maximum amount of I/O that won't need splitting @@ -861,14 +863,16 @@ static int dm_merge_bvec(struct request_queue *q, if (max_size && ti->type->merge) max_size = ti->type->merge(ti, bvm, biovec, max_size); +out_table: + dm_table_put(map); + +out: /* * Always allow an entire first page */ if (max_size <= biovec->bv_len && !(bvm->bi_size >> SECTOR_SHIFT)) max_size = biovec->bv_len; - dm_table_put(map); - return max_size; } |