The patch titled
dm: fix alloc_dev error path
has been removed from the -mm tree. Its filename is
dm-fix-alloc_dev-error-path.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
Subject: dm: fix alloc_dev error path
From: Ishai Rabinovitz <ishai@xxxxxxxxxxxxxx>
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@xxxxxxxxxxxxxx>
Signed-off-by: Alasdair G Kergon <agk@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
drivers/md/dm.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff -puN drivers/md/dm.c~dm-fix-alloc_dev-error-path drivers/md/dm.c
--- a/drivers/md/dm.c~dm-fix-alloc_dev-error-path
+++ a/drivers/md/dm.c
@@ -943,7 +943,7 @@ static struct mapped_device *alloc_dev(i
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(i
mempool_destroy(md->io_pool);
bad2:
blk_cleanup_queue(md->queue);
+ bad1_free_minor:
free_minor(minor);
bad1:
module_put(THIS_MODULE);
_
Patches currently in -mm which might be from ishai@xxxxxxxxxxxxxx are
origin.patch
-
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