qed/qed_sriov: guard against NULL derefs from qed_iov_get_vf_info

[linux-2.6-microblaze.git] / drivers / net / ethernet / qlogic / qed / qed_sriov.c

diff --git a/drivers/net/ethernet/qlogic/qed/qed_sriov.c b/drivers/net/ethernet/qlogic/qed/qed_sriov.c
index 2bf1874..fa167b1 100644 (file)
--- a/drivers/net/ethernet/qlogic/qed/qed_sriov.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_sriov.c
@@ -4404,6 +4404,9 @@ qed_iov_configure_min_tx_rate(struct qed_dev *cdev, int vfid, u32 rate)
        }
 
        vf = qed_iov_get_vf_info(QED_LEADING_HWFN(cdev), (u16)vfid, true);
+       if (!vf)
+               return -EINVAL;
+
        vport_id = vf->vport_id;
 
        return qed_configure_vport_wfq(cdev, vport_id, rate);
@@ -5152,7 +5155,7 @@ static void qed_iov_handle_trust_change(struct qed_hwfn *hwfn)
 
                /* Validate that the VF has a configured vport */
                vf = qed_iov_get_vf_info(hwfn, i, true);
-               if (!vf->vport_instance)
+               if (!vf || !vf->vport_instance)
                        continue;
 
                memset(&params, 0, sizeof(params));