RDMA/hns: fix memory leak in hns_roce_alloc_mr()
When hns_roce_mr_enable() failed in hns_roce_alloc_mr(), mr_key is not released. Compiled test only. Fixes: 9b2cf76c ("RDMA/hns: Optimize PBL buffer allocation process") Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com> Link: https://lore.kernel.org/r/20221119070834.48502-1-shaozhengchao@huawei.comSigned-off-by: Leon Romanovsky <leon@kernel.org>
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