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RDMA/uverbs: Fill in the response for IB_USER_VERBS_EX_CMD_MODIFY_QP

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A response struct was defined, and userspace is providing it (but not
checking it). Fill it in and write it out.

Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Jason Gunthorpe 2018-11-25 20:58:40 +02:00 committed by Doug Ledford
parent 29a29d1852
commit 40efca7a46
1 changed files with 8 additions and 1 deletions
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9
drivers/infiniband/core/uverbs_cmd.c
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@ -1953,6 +1953,9 @@ static int ib_uverbs_ex_modify_qp(struct uverbs_attr_bundle *attrs,
struct ib_udata *ucore)
{
struct ib_uverbs_ex_modify_qp cmd;
struct ib_uverbs_ex_modify_qp_resp resp = {
.response_length = uverbs_response_length(attrs, sizeof(resp))
};
int ret;
ret = uverbs_request(attrs, &cmd, sizeof(cmd));
@ -1969,7 +1972,11 @@ static int ib_uverbs_ex_modify_qp(struct uverbs_attr_bundle *attrs,
~((IB_USER_LAST_QP_ATTR_MASK << 1) - 1))
return -EOPNOTSUPP;
return modify_qp(attrs, &cmd);
ret = modify_qp(attrs, &cmd);
if (ret)
return ret;
return uverbs_response(attrs, &resp, sizeof(resp));
}
static int ib_uverbs_destroy_qp(struct uverbs_attr_bundle *attrs,