i40e: add more verbose error messages

[deliverable/linux.git] / drivers / net / ethernet / intel / i40e / i40e_virtchnl_pf.c

diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
index 0545e3f80e7a224639b3abf687fe372daecf9dfa..fac8a02ab74e9455b214f06a428cedb4d5d6c00e 100644 (file)
--- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
@@ -998,17 +998,19 @@ static int i40e_pci_sriov_enable(struct pci_dev *pdev, int num_vfs)
                goto err_out;
        }
 
-       dev_info(&pdev->dev, "Allocating %d VFs.\n", num_vfs);
        if (pre_existing_vfs && pre_existing_vfs != num_vfs)
                i40e_free_vfs(pf);
        else if (pre_existing_vfs && pre_existing_vfs == num_vfs)
                goto out;
 
        if (num_vfs > pf->num_req_vfs) {
+               dev_warn(&pdev->dev, "Unable to enable %d VFs. Limited to %d VFs due to device resource constraints.\n",
+                        num_vfs, pf->num_req_vfs);
                err = -EPERM;
                goto err_out;
        }
 
+       dev_info(&pdev->dev, "Allocating %d VFs.\n", num_vfs);
        err = i40e_alloc_vfs(pf, num_vfs);
        if (err) {
                dev_warn(&pdev->dev, "Failed to enable SR-IOV: %d\n", err);