PCI: pcie-check-and-return-bus_register-errors fix

__must_check goes on the declaration, not the definition.

Cc: "Randy.Dunlap" <rdunlap@xenotime.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/pci/pcie/portdrv.h b/drivers/pci/pcie/portdrv.h
index 67fcd17..3656e03 100644
--- a/drivers/pci/pcie/portdrv.h
+++ b/drivers/pci/pcie/portdrv.h
@@ -9,6 +9,8 @@
 #ifndef _PORTDRV_H_
 #define _PORTDRV_H_
 
+#include <linux/compiler.h>
+
 #if !defined(PCI_CAP_ID_PME)
 #define PCI_CAP_ID_PME			1
 #endif
@@ -39,7 +41,7 @@
 extern int pcie_port_device_resume(struct pci_dev *dev);
 #endif
 extern void pcie_port_device_remove(struct pci_dev *dev);
-extern int pcie_port_bus_register(void);
+extern int __must_check pcie_port_bus_register(void);
 extern void pcie_port_bus_unregister(void);
 
 #endif /* _PORTDRV_H_ */
diff --git a/drivers/pci/pcie/portdrv_core.c b/drivers/pci/pcie/portdrv_core.c
index bd6615b..b20a9b8 100644
--- a/drivers/pci/pcie/portdrv_core.c
+++ b/drivers/pci/pcie/portdrv_core.c
@@ -6,7 +6,6 @@
  * Copyright (C) Tom Long Nguyen (tom.l.nguyen@intel.com)
  */
 
-#include <linux/compiler.h>
 #include <linux/module.h>
 #include <linux/pci.h>
 #include <linux/kernel.h>
@@ -401,7 +400,7 @@
 		pci_disable_msi(dev);
 }
 
-int __must_check pcie_port_bus_register(void)
+int pcie_port_bus_register(void)
 {
 	return bus_register(&pcie_port_bus_type);
 }