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RDMA/hns: Use structs to describe the uABI instead of opencoding

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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>
This commit is contained in:
Jason Gunthorpe 2018-03-14 14:39:42 -06:00
parent 9a657b4c4a
commit 633fb4d9fd
2 changed files with 9 additions and 1 deletions
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5
drivers/infiniband/hw/hns/hns_roce_pd.c
View File

@ -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);

5
include/uapi/rdma/hns-abi.h
View File

@ -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 */