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authorGal Pressman <pressmangal@gmail.com>2018-08-09 22:00:47 +0300
committerJason Gunthorpe <jgg@mellanox.com>2018-08-15 15:08:35 -0600
commita1ceeca679dccc492235f0f629d9e9f7b3d51ca8 (patch)
tree2bbf6771dd1b945148ae11e910a189c41e87f3d7
parentdd81b2c8a3339c813568d07091fcd0d97dd0cf41 (diff)
downloadlinux-a1ceeca679dccc492235f0f629d9e9f7b3d51ca8.tar.bz2
RDMA/hns: Fix usage of bitmap allocation functions return values
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@gmail.com> Acked-by: Lijun Ou <oulijun@huawei.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
-rw-r--r--drivers/infiniband/hw/hns/hns_roce_pd.c2
-rw-r--r--drivers/infiniband/hw/hns/hns_roce_qp.c5
2 files changed, 5 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..efb7e961ca65 100644
--- a/drivers/infiniband/hw/hns/hns_roce_qp.c
+++ b/drivers/infiniband/hw/hns/hns_roce_qp.c
@@ -115,7 +115,10 @@ 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)