[dm-devel] [PATCH] Fix memory leak in dm_create_persistent() when starting metadata update thread fails.
Jesper Juhl
jesper.juhl at gmail.com
Mon Jul 16 19:41:43 UTC 2007
If, in dm_create_persistent(), the call to
create_singlethread_workqueue() fails then we'll return without
freeing the memory allocated to 'ps', thus leaking
sizeof(struct pstore) bytes.
This patch fixes the leak.
Signed-off-by: Jesper Juhl <jesper.juhl at gmail.com
---
diff --git a/drivers/md/dm-exception-store.c b/drivers/md/dm-exception-store.c
index 3d65917..8fe81e1 100644
--- a/drivers/md/dm-exception-store.c
+++ b/drivers/md/dm-exception-store.c
@@ -623,6 +623,7 @@ int dm_create_persistent(struct exception_store *store)
ps->metadata_wq = create_singlethread_workqueue("ksnaphd");
if (!ps->metadata_wq) {
+ kfree(ps);
DMERR("couldn't start header metadata update thread");
return -ENOMEM;
}
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