i40e: limit debugfs io ops
Don't let the debugfs register read and write commands try to access
outside of the ioremapped space. While we're at it, remove the use of
a misleading constant.
Change-ID: Ifce2893e232c65c7a76c23532c658f298218a81b
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index 3a3d49c..940744a 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -9939,7 +9939,6 @@
static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
struct i40e_aq_get_phy_abilities_resp abilities;
- unsigned long ioremap_len;
struct i40e_pf *pf;
struct i40e_hw *hw;
static u16 pfs_found;
@@ -9992,15 +9991,15 @@
hw = &pf->hw;
hw->back = pf;
- ioremap_len = min_t(unsigned long, pci_resource_len(pdev, 0),
- I40E_MAX_CSR_SPACE);
+ pf->ioremap_len = min_t(int, pci_resource_len(pdev, 0),
+ I40E_MAX_CSR_SPACE);
- hw->hw_addr = ioremap(pci_resource_start(pdev, 0), ioremap_len);
+ hw->hw_addr = ioremap(pci_resource_start(pdev, 0), pf->ioremap_len);
if (!hw->hw_addr) {
err = -EIO;
dev_info(&pdev->dev, "ioremap(0x%04x, 0x%04x) failed: 0x%x\n",
(unsigned int)pci_resource_start(pdev, 0),
- (unsigned int)pci_resource_len(pdev, 0), err);
+ pf->ioremap_len, err);
goto err_ioremap;
}
hw->vendor_id = pdev->vendor;