From: Andrew Morton <akpm@osdl.org>

__must_check goes on the declaration, not the definition.

Cc: "Randy.Dunlap" <rdunlap@xenotime.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---

 drivers/pci/pcie/portdrv.h      |    4 +++-
 drivers/pci/pcie/portdrv_core.c |    3 +--
 pci/pcie/portdrv_pci.c          |    0 
 3 files changed, 4 insertions(+), 3 deletions(-)

diff -puN drivers/pci/pcie/portdrv_core.c~pcie-check-and-return-bus_register-errors-fix drivers/pci/pcie/portdrv_core.c
--- a/drivers/pci/pcie/portdrv_core.c~pcie-check-and-return-bus_register-errors-fix
+++ a/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>
@@ -403,7 +402,7 @@ void pcie_port_device_remove(struct pci_
 		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);
 }
diff -puN drivers/pci/pcie/portdrv.h~pcie-check-and-return-bus_register-errors-fix drivers/pci/pcie/portdrv.h
--- a/drivers/pci/pcie/portdrv.h~pcie-check-and-return-bus_register-errors-fix
+++ a/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_suspend(stru
 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 -puN drivers/pci/pcie/portdrv_pci.c~pcie-check-and-return-bus_register-errors-fix drivers/pci/pcie/portdrv_pci.c
_