RDMA/core: Fix return error value in _ib_modify_qp() to negative

[ Upstream commit 47fda651d5af2506deac57d54887cf55ce26e244 ]

The error codes in _ib_modify_qp() are supposed to be negative errno.

Fixes: 7a5c938b9ed0 ("IB/core: Check for rdma_protocol_ib only after validating port_num")
Link: https://lore.kernel.org/r/1595645787-20375-1-git-send-email-liheng40@huawei.com
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Li Heng <liheng40@huawei.com>
Reviewed-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c
index 56a71337112c59c97fee9cd1f9d6ec5095cf77ec..cf45fd704671ffdbf826710a0d9dc19daab6162f 100644 (file)
--- a/drivers/infiniband/core/verbs.c
+++ b/drivers/infiniband/core/verbs.c
@@ -1659,7 +1659,7 @@ static int _ib_modify_qp(struct ib_qp *qp, struct ib_qp_attr *attr,
                if (!(rdma_protocol_ib(qp->device,
                                       attr->alt_ah_attr.port_num) &&
                      rdma_protocol_ib(qp->device, port))) {
-                       ret = EINVAL;
+                       ret = -EINVAL;
                        goto out;
                }
        }