block: fix add_partition() error path

Partition stats structure was not freed on devt allocation failure
path.  Fix it.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/fs/partitions/check.c b/fs/partitions/check.c
index 633f7a0ebb2c..90bcf136a9de 100644
--- a/fs/partitions/check.c
+++ b/fs/partitions/check.c
@@ -395,7 +395,7 @@ int add_partition(struct gendisk *disk, int partno,
 
         err = blk_alloc_devt(p, &devt);
         if (err)
-                goto out_free;
+                goto out_free_stats;
         pdev->devt = devt;
 
         /* delay uevent until 'holders' subdir is created */
@@ -426,6 +426,8 @@ int add_partition(struct gendisk *disk, int partno,
 
         return 0;
 
+out_free_stats:
+        free_part_stats(p);
 out_free:
         kfree(p);
         return err;