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RDMA/cxgb4: 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.

Reviewed-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Jason Gunthorpe 2018-03-14 16:01:50 -06:00
parent 633fb4d9fd
commit 7f86260b5f
2 changed files with 8 additions and 1 deletions
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4
drivers/infiniband/hw/cxgb4/provider.c
View File

@ -281,7 +281,9 @@ static struct ib_pd *c4iw_allocate_pd(struct ib_device *ibdev,
php->pdid = pdid;
php->rhp = rhp;
if (context) {
if (ib_copy_to_udata(udata, &php->pdid, sizeof(u32))) {
struct c4iw_alloc_pd_resp uresp = {.pdid = php->pdid};
if (ib_copy_to_udata(udata, &uresp, sizeof(uresp))) {
c4iw_deallocate_pd(&php->ibpd);
return ERR_PTR(-EFAULT);
}

5
include/uapi/rdma/cxgb4-abi.h
View File

@ -79,4 +79,9 @@ struct c4iw_alloc_ucontext_resp {
__u32 status_page_size;
__u32 reserved; /* explicit padding (optional for i386) */
};
struct c4iw_alloc_pd_resp {
__u32 pdid;
};
#endif /* CXGB4_ABI_USER_H */