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RDMA/hns: Fix return in hns_roce_rereg_user_mr()

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If re-registering an MR in hns_roce_rereg_user_mr(), we should return NULL
instead of passing 0 to ERR_PTR for clarity.

Fixes: 4e9fc1dae2 ("RDMA/hns: Optimize the MR registration process")
Link: https://lore.kernel.org/r/20210804125939.20516-1-yuehaibing@huawei.com
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
This commit is contained in:
YueHaibing 2021-08-04 20:59:39 +08:00 • committed by Jason Gunthorpe
parent d2b10794fc
commit c4c7d7a432
1 changed files with 3 additions and 1 deletions
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4
drivers/infiniband/hw/hns/hns_roce_mr.c
View file

@ -352,7 +352,9 @@ struct ib_mr *hns_roce_rereg_user_mr(struct ib_mr *ibmr, int flags, u64 start,
free_cmd_mbox:
hns_roce_free_cmd_mailbox(hr_dev, mailbox);
return ERR_PTR(ret);
if (ret)
return ERR_PTR(ret);
return NULL;
}
int hns_roce_dereg_mr(struct ib_mr *ibmr, struct ib_udata *udata)