PCI: fix __must_check warnings

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 14 insertions, 4 deletions

diff --git a/drivers/pci/hotplug/fakephp.c b/drivers/pci/hotplug/fakephp.c
index dd2b762777c4..05a4f0f90186 100644
--- a/drivers/pci/hotplug/fakephp.c
+++ b/drivers/pci/hotplug/fakephp.c
@@ -176,7 +176,9 @@ static void pci_rescan_slot(struct pci_dev *temp)
         struct pci_bus *bus = temp->bus;
         struct pci_dev *dev;
         int func;
+        int retval;
         u8 hdr_type;
+
         if (!pci_read_config_byte(temp, PCI_HEADER_TYPE, &hdr_type)) {
                 temp->hdr_type = hdr_type & 0x7f;
                 if (!pci_find_slot(bus->number, temp->devfn)) {
@@ -185,8 +187,12 @@ static void pci_rescan_slot(struct pci_dev *temp)
                                 dbg("New device on %s function %x:%x\n",
                                         bus->name, temp->devfn >> 3,
                                         temp->devfn & 7);
-                                pci_bus_add_device(dev);
-                                add_slot(dev);
+                                retval = pci_bus_add_device(dev);
+                                if (retval)
+                                        dev_err(&dev->dev, "error adding "
+                                                "device, continuing.\n");
+                                else
+                                        add_slot(dev);
                         }
                 }
                 /* multifunction device? */
@@ -205,8 +211,12 @@ static void pci_rescan_slot(struct pci_dev *temp)
                                         dbg("New device on %s function %x:%x\n",
                                                 bus->name, temp->devfn >> 3,
                                                 temp->devfn & 7);
-                                        pci_bus_add_device(dev);
-                                        add_slot(dev);
+                                        retval = pci_bus_add_device(dev);
+                                        if (retval)
+                                                dev_err(&dev->dev, "error adding "
+                                                        "device, continuing.\n");
+                                        else
+                                                add_slot(dev);
                                 }
                         }
                 }