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>

diff --git a/fs/partitions/check.c b/fs/partitions/check.c
index 633f7a0ebb2cdfb28207cbb9ec14128ede23f59b..90bcf136a9de29f86b9ceae07c348849c5785e28 100644 (file)
--- 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;