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/skfp/pcmplc.c b/drivers/net/skfp/pcmplc.c
index ba45bc7..112d35b 100644
--- a/drivers/net/skfp/pcmplc.c
+++ b/drivers/net/skfp/pcmplc.c
@@ -504,7 +504,7 @@
 
 #ifdef	CONCENTRATOR
 	if (!plc_is_installed(smc,phy))
-		return(PC_QLS) ;
+		return PC_QLS;
 #endif
 
 	state = inpw(PLC(phy,PL_STATUS_A)) & PL_LINE_ST ;
@@ -528,7 +528,7 @@
 	default :
 		state = PC_LS_NONE ;
 	}
-	return(state) ;
+	return state;
 }
 
 static int plc_send_bits(struct s_smc *smc, struct s_phy *phy, int len)
@@ -547,7 +547,7 @@
 #if	0
 		printf("PL_PCM_SIGNAL is set\n") ;
 #endif
-		return(1) ;
+		return 1;
 	}
 	/* write bit[n] & length = 1 to regs */
 	outpw(PLC(np,PL_VECTOR_LEN),len-1) ;	/* len=nr-1 */
@@ -562,7 +562,7 @@
 		printf("SIGNALING bit %d .. %d\n",phy->bitn,phy->bitn+len-1) ;
 #endif
 #endif
-	return(0) ;
+	return 0;
 }
 
 /*
@@ -1590,12 +1590,12 @@
 {
 	int	twist = 0 ;
 	if (smc->s.sas != SMT_DAS)
-		return(0) ;
+		return 0;
 	if (smc->y[PA].twisted && (smc->y[PA].mib->fddiPORTPCMState == PC8_ACTIVE))
 		twist |= 1 ;
 	if (smc->y[PB].twisted && (smc->y[PB].mib->fddiPORTPCMState == PC8_ACTIVE))
 		twist |= 2 ;
-	return(twist) ;
+	return twist;
 }
 
 /*
@@ -1636,9 +1636,9 @@
 	for (n = 0 ; n < NUMPHYS ; n++) {
 		if (smc->y[n].mib->fddiPORTPCMState == PC8_ACTIVE &&
 		    smc->y[n].mib->fddiPORTNeighborType == TM)
-			return(0) ;
+			return 0;
 	}
-	return(1) ;
+	return 1;
 }
 
 /*
@@ -1915,7 +1915,7 @@
 		case PL_PC9 :	pcs = PC_MAINT ;	break ;
 		default :	pcs = PC_DISABLE ; 	break ;
 	}
-	return(pcs) ;
+	return pcs;
 }
 
 char *get_linestate(struct s_smc *smc, int np)
@@ -1937,7 +1937,7 @@
 		default:	ls = "unknown" ; break ;
 #endif
 	}
-	return(ls) ;
+	return ls;
 }
 
 char *get_pcmstate(struct s_smc *smc, int np)
@@ -1959,7 +1959,7 @@
 		case PL_PC9 :	pcs = "MAINT" ;		break ;
 		default :	pcs = "UNKNOWN" ; 	break ;
 	}
-	return(pcs) ;
+	return pcs;
 }
 
 void list_phy(struct s_smc *smc)