Don't return void types from void functions.

This helps reduce sparse noise.

drivers/net/tokenring/olympic.c

@@ -1806,7 +1806,7 @@ static int __init olympic_pci_init(void)
 
 static void __exit olympic_pci_cleanup(void)
 {
-	return pci_unregister_driver(&olympic_driver) ; 
+	pci_unregister_driver(&olympic_driver) ; 
 }	
 
 

include/asm-ppc64/eeh.h

@@ -215,7 +215,7 @@ static inline u8 eeh_inb(unsigned long port) {
 
 static inline void eeh_outb(u8 val, unsigned long port) {
 	if (_IO_IS_VALID(port))
-		return out_8((u8 *)(port+pci_io_base), val);
+		out_8((u8 *)(port+pci_io_base), val);
 }
 
 static inline u16 eeh_inw(unsigned long port) {
@@ -230,7 +230,7 @@ static inline u16 eeh_inw(unsigned long port) {
 
 static inline void eeh_outw(u16 val, unsigned long port) {
 	if (_IO_IS_VALID(port))
-		return out_le16((u16 *)(port+pci_io_base), val);
+		out_le16((u16 *)(port+pci_io_base), val);
 }
 
 static inline u32 eeh_inl(unsigned long port) {
@@ -245,7 +245,7 @@ static inline u32 eeh_inl(unsigned long port) {
 
 static inline void eeh_outl(u32 val, unsigned long port) {
 	if (_IO_IS_VALID(port))
-		return out_le32((u32 *)(port+pci_io_base), val);
+		out_le32((u32 *)(port+pci_io_base), val);
 }
 
 /* in-string eeh macros */