[PATCH] block: Fix memory leak in alloc_disk_node()

[Jerome Marchand <jmarchan@redhat.com>]

Fix a memory leak in alloc_disk_node(). Don't forget to free 'dkstats' when the allocation of 'part' failed.

Signed-off-by: Jerome Marchand <jmarchan@redhat.com>
---
 genhd.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/block/genhd.c b/block/genhd.c
index e609996..f2ac914 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -715,6 +715,7 @@ struct gendisk *alloc_disk_node(int minors, int node_id)
 			disk->part = kmalloc_node(size,
 				GFP_KERNEL | __GFP_ZERO, node_id);
 			if (!disk->part) {
+				free_disk_stats(disk);
 				kfree(disk);
 				return NULL;
 			}
-
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