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authorYueHaibing <[email protected]>2021-08-04 20:59:39 +0800
committerJason Gunthorpe <[email protected]>2021-08-19 11:12:04 -0300
commitc4c7d7a43246a42b0355692c3ed53dff7cbb29bb (patch)
tree5149e2a6da4ba0f763aaa77c9b32d62721856758
parentd2b10794fc1312f856d67d0a6454aaa3ae96c595 (diff)
RDMA/hns: Fix return in hns_roce_rereg_user_mr()
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: 4e9fc1dae2a9 ("RDMA/hns: Optimize the MR registration process") Link: https://lore.kernel.org/r/[email protected] Signed-off-by: YueHaibing <[email protected]> Signed-off-by: Jason Gunthorpe <[email protected]>
-rw-r--r--drivers/infiniband/hw/hns/hns_roce_mr.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_mr.c b/drivers/infiniband/hw/hns/hns_roce_mr.c
index 006c84bb3f9f..7089ac780291 100644
--- a/drivers/infiniband/hw/hns/hns_roce_mr.c
+++ b/drivers/infiniband/hw/hns/hns_roce_mr.c
@@ -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)