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From: Zhao Heming <heming.zhao@suse.com>
To: linux-raid@vger.kernel.org, song@kernel.org
Cc: Zhao Heming <heming.zhao@suse.com>, guoqing.jiang@cloud.ionos.com
Subject: [PATCH] [md-cluster] fix memory leak for bitmap
Date: Sun, 27 Sep 2020 13:40:13 +0800	[thread overview]
Message-ID: <1601185213-7464-1-git-send-email-heming.zhao@suse.com> (raw)

current code doesn't free temporary bitmap memory.

Signed-off-by: Zhao Heming <heming.zhao@suse.com>
---
 drivers/md/md-bitmap.c  | 1 +
 drivers/md/md-cluster.c | 1 +
 2 files changed, 2 insertions(+)

diff --git a/drivers/md/md-bitmap.c b/drivers/md/md-bitmap.c
index b10c519..593fe15 100644
--- a/drivers/md/md-bitmap.c
+++ b/drivers/md/md-bitmap.c
@@ -2012,6 +2012,7 @@ int md_bitmap_copy_from_slot(struct mddev *mddev, int slot,
 	md_bitmap_unplug(mddev->bitmap);
 	*low = lo;
 	*high = hi;
+	md_bitmap_free(bitmap);
 
 	return rv;
 }
diff --git a/drivers/md/md-cluster.c b/drivers/md/md-cluster.c
index d50737e..afbbc55 100644
--- a/drivers/md/md-cluster.c
+++ b/drivers/md/md-cluster.c
@@ -1166,6 +1166,7 @@ static int resize_bitmaps(struct mddev *mddev, sector_t newsize, sector_t oldsiz
 			 * can't resize bitmap
 			 */
 			goto out;
+		md_bitmap_free(bitmap);
 	}
 
 	return 0;
-- 
1.8.3.1


             reply	other threads:[~2020-09-27  5:42 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-27  5:40 Zhao Heming [this message]
2020-10-08  3:36 ` [PATCH] [md-cluster] fix memory leak for bitmap Guoqing Jiang
2020-10-08  6:56   ` Song Liu
2020-10-08 10:35     ` heming.zhao

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