drivers/net: return operator cleanup

Change "return (EXPR);" to "return EXPR;"

return is not a function, parentheses are not required.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/tlan.h b/drivers/net/tlan.h
index d13ff12..3315ced 100644
--- a/drivers/net/tlan.h
+++ b/drivers/net/tlan.h
@@ -442,7 +442,7 @@
 static inline u8 TLan_DioRead8(u16 base_addr, u16 internal_addr)
 {
 	outw(internal_addr, base_addr + TLAN_DIO_ADR);
-	return (inb((base_addr + TLAN_DIO_DATA) + (internal_addr & 0x3)));
+	return inb((base_addr + TLAN_DIO_DATA) + (internal_addr & 0x3));
 
 } /* TLan_DioRead8 */
 
@@ -452,7 +452,7 @@
 static inline u16 TLan_DioRead16(u16 base_addr, u16 internal_addr)
 {
 	outw(internal_addr, base_addr + TLAN_DIO_ADR);
-	return (inw((base_addr + TLAN_DIO_DATA) + (internal_addr & 0x2)));
+	return inw((base_addr + TLAN_DIO_DATA) + (internal_addr & 0x2));
 
 } /* TLan_DioRead16 */
 
@@ -462,7 +462,7 @@
 static inline u32 TLan_DioRead32(u16 base_addr, u16 internal_addr)
 {
 	outw(internal_addr, base_addr + TLAN_DIO_ADR);
-	return (inl(base_addr + TLAN_DIO_DATA));
+	return inl(base_addr + TLAN_DIO_DATA);
 
 } /* TLan_DioRead32 */
 
@@ -537,6 +537,6 @@
         hash ^= ((a[2]^a[5])<<4);       /* & 060 */
         hash ^= ((a[2]^a[5])>>2);       /* & 077 */
 
-        return (hash & 077);
+        return hash & 077;
 }
 #endif