[PATCH rdma-next] RDMA/hns: Fix usage of bitmap allocation functions return values

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hns bitmap allocation functions return 0 on success and -1 on failure.
Callers of these functions wrongly used their return value as an errno, fix
that by making a proper conversion.

Fixes: a598c6f4c5a8 ("IB/hns: Simplify function of pd alloc and qp alloc")
Signed-off-by: Gal Pressman <pressmangal@xxxxxxxxx>
---
 drivers/infiniband/hw/hns/hns_roce_pd.c | 2 +-
 drivers/infiniband/hw/hns/hns_roce_qp.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/infiniband/hw/hns/hns_roce_pd.c b/drivers/infiniband/hw/hns/hns_roce_pd.c
index b9f2c871ff9a..e11c149da04d 100644
--- a/drivers/infiniband/hw/hns/hns_roce_pd.c
+++ b/drivers/infiniband/hw/hns/hns_roce_pd.c
@@ -37,7 +37,7 @@
 
 static int hns_roce_pd_alloc(struct hns_roce_dev *hr_dev, unsigned long *pdn)
 {
-	return hns_roce_bitmap_alloc(&hr_dev->pd_bitmap, pdn);
+	return hns_roce_bitmap_alloc(&hr_dev->pd_bitmap, pdn) ? -ENOMEM : 0;
 }
 
 static void hns_roce_pd_free(struct hns_roce_dev *hr_dev, unsigned long pdn)
diff --git a/drivers/infiniband/hw/hns/hns_roce_qp.c b/drivers/infiniband/hw/hns/hns_roce_qp.c
index c1dbddcd58c9..60837edbcffd 100644
--- a/drivers/infiniband/hw/hns/hns_roce_qp.c
+++ b/drivers/infiniband/hw/hns/hns_roce_qp.c
@@ -115,7 +115,7 @@ static int hns_roce_reserve_range_qp(struct hns_roce_dev *hr_dev, int cnt,
 {
 	struct hns_roce_qp_table *qp_table = &hr_dev->qp_table;
 
-	return hns_roce_bitmap_alloc_range(&qp_table->bitmap, cnt, align, base);
+	return hns_roce_bitmap_alloc_range(&qp_table->bitmap, cnt, align, base) ? -ENOMEM : 0;
 }
 
 enum hns_roce_qp_state to_hns_roce_state(enum ib_qp_state state)
-- 
2.14.4

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