RDMA/uverbs: Fill in the response for IB_USER_VERBS_EX_CMD_MODIFY_QP (40efca7a) · Commits · 戴 / test

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

drivers/infiniband/core/uverbs_cmd.c

+8 −1

Original line number	Diff line number	Diff line
		@@ -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,