linux-kernel - [PATCH 1/3] block: fix add

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Date:	Mon, 10 Nov 2008 15:28:59 +0900
From:	Tejun Heo <tj@...nel.org>
To:	Jens Axboe <jens.axboe@...cle.com>,
	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: [PATCH 1/3] 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@...nel.org>
---
 fs/partitions/check.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

Index: work/fs/partitions/check.c
===================================================================
--- work.orig/fs/partitions/check.c
+++ work/fs/partitions/check.c
@@ -395,7 +395,7 @@ int add_partition(struct gendisk *disk,
 
 	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,
 
 	return 0;
 
+out_free_stats:
+	free_part_stats(p);
 out_free:
 	kfree(p);
 	return err;
--
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