1 files changed, 18 insertions, 0 deletions

diff --git a/drivers/platform/x86/eeepc-laptop.c b/drivers/platform/x86/eeepc-laptop.c
index 6a47bb7066d8..9a844caa3756 100644
--- a/drivers/platform/x86/eeepc-laptop.c
+++ b/drivers/platform/x86/eeepc-laptop.c
@@ -578,6 +578,8 @@ static void eeepc_rfkill_hotplug(struct eeepc_laptop *eeepc)
         struct pci_dev *dev;
         struct pci_bus *bus;
         bool blocked = eeepc_wlan_rfkill_blocked(eeepc);
+        bool absent;
+        u32 l;
 
         if (eeepc->wlan_rfkill)
                 rfkill_set_sw_state(eeepc->wlan_rfkill, blocked);
@@ -591,6 +593,22 @@ static void eeepc_rfkill_hotplug(struct eeepc_laptop *eeepc)
                         goto out_unlock;
                 }
 
+                if (pci_bus_read_config_dword(bus, 0, PCI_VENDOR_ID, &l)) {
+                        pr_err("Unable to read PCI config space?\n");
+                        goto out_unlock;
+                }
+                absent = (l == 0xffffffff);
+
+                if (blocked != absent) {
+                        pr_warning("BIOS says wireless lan is %s, "
+                                        "but the pci device is %s\n",
+                                blocked ? "blocked" : "unblocked",
+                                absent ? "absent" : "present");
+                        pr_warning("skipped wireless hotplug as probably "
+                                        "inappropriate for this model\n");
+                        goto out_unlock;
+                }
+
                 if (!blocked) {
                         dev = pci_get_slot(bus, 0);
                         if (dev) {