md: raid1/raid10 md devices leak memory when stopping

Hi. Raid1 and raid10 devices leak memory every time they stop. This is a patch for linux-3.9.0-rc7 to fix this problem. Thanks, Hirokazu Takahashi. Signed-off-by: Hirokazu Takahashi <taka@valinux.co.jp> Signed-off-by: NeilBrown <neilb@suse.de>
mariux64 · Apr 30, 2013 · 0fea7ed · 0fea7ed
1 parent be83651
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diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
@@ -2901,6 +2901,7 @@ static int stop(struct mddev *mddev)
 	if (conf->r1bio_pool)
 		mempool_destroy(conf->r1bio_pool);
 	kfree(conf->mirrors);
+	safe_put_page(conf->tmppage);
 	kfree(conf->poolinfo);
 	kfree(conf);
 	mddev->private = NULL;

diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
@@ -3826,6 +3826,7 @@ static int stop(struct mddev *mddev)
 
 	if (conf->r10bio_pool)
 		mempool_destroy(conf->r10bio_pool);
+	safe_put_page(conf->tmppage);
 	kfree(conf->mirrors);
 	kfree(conf);
 	mddev->private = NULL;