lightnvm: free properly on target creation error

Fix a memory leak when target creation fails. More specifically, free
the entire device structure given to the target (tgt_dev).

Signed-off-by: Javier González <[email protected]>
Signed-off-by: Matias Bjørling <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>

Author: Javier González

drivers/lightnvm/core.c

@@ -303,7 +303,7 @@ static int nvm_create_tgt(struct nvm_dev *dev, struct nvm_ioctl_create *create)
 err_queue:
 	blk_cleanup_queue(tqueue);
 err_dev:
-	kfree(tgt_dev);
+	nvm_remove_tgt_dev(tgt_dev);
 err_t:
 	kfree(t);
 err_reserve: