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authorIshai Rabinovitz <ishai@mellanox.co.il>2006-10-03 01:15:22 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-10-03 08:04:14 -0700
commite3f6ac6123be6f4ba14d71af0da0e8d3d39c33ed (patch)
tree7b3924ea9e382e090ac31ed87b7d99ca9ca9cd70 /drivers/md
parente90dae1f58d475b71bcc4eebf6d4fd5217ed85c7 (diff)
[PATCH] dm: fix alloc_dev error path
While reading the code I found a bug in the error path in alloc_dev in dm.c When blk_alloc_queue fails there is no call to free_minor. This patch fixes the problem. Signed-off-by: Ishai Rabinovitz <ishai@mellanox.co.il> Signed-off-by: Alasdair G Kergon <agk@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/md')
-rw-r--r--drivers/md/dm.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 5792686936c..81717e27332 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -943,7 +943,7 @@ static struct mapped_device *alloc_dev(int minor)
md->queue = blk_alloc_queue(GFP_KERNEL);
if (!md->queue)
- goto bad1;
+ goto bad1_free_minor;
md->queue->queuedata = md;
md->queue->backing_dev_info.congested_fn = dm_any_congested;
@@ -993,6 +993,7 @@ static struct mapped_device *alloc_dev(int minor)
mempool_destroy(md->io_pool);
bad2:
blk_cleanup_queue(md->queue);
+ bad1_free_minor:
free_minor(minor);
bad1:
module_put(THIS_MODULE);