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authorJavier González <jg@lightnvm.io>2017-04-15 20:55:39 +0200
committerJens Axboe <axboe@fb.com>2017-04-16 10:06:25 -0600
commit7a3de2b33f5213c423a59aeaaae2249196b4b5cc (patch)
treea04656714a7599a143877d9db1eb2c8feda42dbd /drivers/lightnvm
parenta7737f39c70d9c63ba530d6316724d7be67de541 (diff)
downloadlinux-7a3de2b33f5213c423a59aeaaae2249196b4b5cc.tar.gz
lightnvm: free reverse device map
Free the reverse mapping table correctly on target tear down

Signed-off-by: Javier González <javier@cnexlabs.com>
Signed-off-by: Matias Bjørling <matias@cnexlabs.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers/lightnvm')
-rw-r--r--drivers/lightnvm/core.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/lightnvm/core.c b/drivers/lightnvm/core.c
index 95105c47e082..a14c52c24e23 100644
--- a/drivers/lightnvm/core.c
+++ b/drivers/lightnvm/core.c
@@ -411,6 +411,18 @@ err_rmap:
 	return -ENOMEM;
 }
 
+static void nvm_unregister_map(struct nvm_dev *dev)
+{
+	struct nvm_dev_map *rmap = dev->rmap;
+	int i;
+
+	for (i = 0; i < dev->geo.nr_chnls; i++)
+		kfree(rmap->chnls[i].lun_offs);
+
+	kfree(rmap->chnls);
+	kfree(rmap);
+}
+
 static void nvm_map_to_dev(struct nvm_tgt_dev *tgt_dev, struct ppa_addr *p)
 {
 	struct nvm_dev_map *dev_map = tgt_dev->map;
@@ -992,7 +1004,7 @@ void nvm_free(struct nvm_dev *dev)
 	if (dev->dma_pool)
 		dev->ops->destroy_dma_pool(dev->dma_pool);
 
-	kfree(dev->rmap);
+	nvm_unregister_map(dev);
 	kfree(dev->lptbl);
 	kfree(dev->lun_map);
 	kfree(dev);