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| author | Jason Gunthorpe <jgg@mellanox.com> | 2018-03-14 23:39:42 +0300 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2018-03-16 00:58:04 +0300 |
| commit | 633fb4d9fdaa613308c136293107f28e08e85d25 (patch) | |
| tree | 29d3e13600f6caedc5b7016afd5c69d0bfbf6245 | |
| parent | 9a657b4c4a9073037121331bb54663bf11f08342 (diff) | |
| download | linux-633fb4d9fdaa613308c136293107f28e08e85d25.tar.xz | |
RDMA/hns: Use structs to describe the uABI instead of opencoding
Open coding a loose value is not acceptable for describing the uABI in
RDMA. Provide the missing struct.
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_pd.c | 5 | ||||
| -rw-r--r-- | include/uapi/rdma/hns-abi.h | 5 |
2 files changed, 9 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_pd.c b/drivers/infiniband/hw/hns/hns_roce_pd.c index bdab2188c04a..4b41e041799c 100644 --- a/drivers/infiniband/hw/hns/hns_roce_pd.c +++ b/drivers/infiniband/hw/hns/hns_roce_pd.c @@ -32,6 +32,7 @@ #include <linux/platform_device.h> #include <linux/pci.h> +#include <uapi/rdma/hns-abi.h> #include "hns_roce_device.h" static int hns_roce_pd_alloc(struct hns_roce_dev *hr_dev, unsigned long *pdn) @@ -77,7 +78,9 @@ struct ib_pd *hns_roce_alloc_pd(struct ib_device *ib_dev, } if (context) { - if (ib_copy_to_udata(udata, &pd->pdn, sizeof(u64))) { + struct hns_roce_ib_alloc_pd_resp uresp = {.pdn = pd->pdn}; + + if (ib_copy_to_udata(udata, &uresp, sizeof(uresp))) { hns_roce_pd_free(to_hr_dev(ib_dev), pd->pdn); dev_err(dev, "[alloc_pd]ib_copy_to_udata failed!\n"); kfree(pd); diff --git a/include/uapi/rdma/hns-abi.h b/include/uapi/rdma/hns-abi.h index f7af7e59a5e4..aa774985a0c7 100644 --- a/include/uapi/rdma/hns-abi.h +++ b/include/uapi/rdma/hns-abi.h @@ -63,4 +63,9 @@ struct hns_roce_ib_alloc_ucontext_resp { __u32 qp_tab_size; __u32 reserved; }; + +struct hns_roce_ib_alloc_pd_resp { + __u32 pdn; +}; + #endif /* HNS_ABI_USER_H */ |