SHPCHP: fix __must_check warnings

Cc: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

3 files changed, 8 insertions, 4 deletions

diff --git a/drivers/pci/hotplug/shpchp.h b/drivers/pci/hotplug/shpchp.h
index 7208b95c6ee..c7103ac5cd0 100644
--- a/drivers/pci/hotplug/shpchp.h
+++ b/drivers/pci/hotplug/shpchp.h
@@ -173,7 +173,7 @@ struct controller {
 #define msg_button_cancel       "PCI slot #%s - action canceled due to button press.\n"
 
 /* sysfs functions for the hotplug controller info */
-extern void shpchp_create_ctrl_files    (struct controller *ctrl);
+extern int __must_check shpchp_create_ctrl_files(struct controller *ctrl);
 
 extern int      shpchp_sysfs_enable_slot(struct slot *slot);
 extern int      shpchp_sysfs_disable_slot(struct slot *slot);
diff --git a/drivers/pci/hotplug/shpchp_core.c b/drivers/pci/hotplug/shpchp_core.c
index a14e7de1984..235c18a2239 100644
--- a/drivers/pci/hotplug/shpchp_core.c
+++ b/drivers/pci/hotplug/shpchp_core.c
@@ -449,10 +449,14 @@ static int shpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
                 ctrl->speed = PCI_SPEED_33MHz;
         }
 
-        shpchp_create_ctrl_files(ctrl);
+        rc = shpchp_create_ctrl_files(ctrl);
+        if (rc)
+                goto err_cleanup_slots;
 
         return 0;
 
+err_cleanup_slots:
+        cleanup_slots(ctrl);
 err_out_release_ctlr:
         ctrl->hpc_ops->release_ctlr(ctrl);
 err_out_free_ctrl:
diff --git a/drivers/pci/hotplug/shpchp_sysfs.c b/drivers/pci/hotplug/shpchp_sysfs.c
index 620e1139e60..29fa9d26ada 100644
--- a/drivers/pci/hotplug/shpchp_sysfs.c
+++ b/drivers/pci/hotplug/shpchp_sysfs.c
@@ -91,9 +91,9 @@ static ssize_t show_ctrl (struct device *dev, struct device_attribute *attr, cha
 }
 static DEVICE_ATTR (ctrl, S_IRUGO, show_ctrl, NULL);
 
-void shpchp_create_ctrl_files (struct controller *ctrl)
+int __must_check shpchp_create_ctrl_files (struct controller *ctrl)
 {
-        device_create_file (&ctrl->pci_dev->dev, &dev_attr_ctrl);
+        return device_create_file (&ctrl->pci_dev->dev, &dev_attr_ctrl);
 }
 
 void shpchp_remove_ctrl_files(struct controller *ctrl)