diff --git a/include/linux/atmdev.h b/include/linux/atmdev.h
index e7d0593bb57..37e5ee48539 100644
--- a/include/linux/atmdev.h
+++ b/include/linux/atmdev.h
@@ -468,7 +468,7 @@ static inline void atm_dev_put(struct atm_dev *dev)
 int atm_charge(struct atm_vcc *vcc,int truesize);
 struct sk_buff *atm_alloc_charge(struct atm_vcc *vcc,int pdu_size,
     gfp_t gfp_flags);
-int atm_pcr_goal(struct atm_trafprm *tp);
+int atm_pcr_goal(const struct atm_trafprm *tp);
 
 void vcc_release_async(struct atm_vcc *vcc, int reply);
 
diff --git a/net/atm/atm_misc.c b/net/atm/atm_misc.c
index 223c7ad5bd0..02cc7e71efe 100644
--- a/net/atm/atm_misc.c
+++ b/net/atm/atm_misc.c
@@ -74,11 +74,14 @@ struct sk_buff *atm_alloc_charge(struct atm_vcc *vcc,int pdu_size,
  */
 
 
-int atm_pcr_goal(struct atm_trafprm *tp)
+int atm_pcr_goal(const struct atm_trafprm *tp)
 {
-	if (tp->pcr && tp->pcr != ATM_MAX_PCR) return -tp->pcr;
-	if (tp->min_pcr && !tp->pcr) return tp->min_pcr;
-	if (tp->max_pcr != ATM_MAX_PCR) return -tp->max_pcr;
+	if (tp->pcr && tp->pcr != ATM_MAX_PCR)
+		return -tp->pcr;
+	if (tp->min_pcr && !tp->pcr)
+		return tp->min_pcr;
+	if (tp->max_pcr != ATM_MAX_PCR)
+		return -tp->max_pcr;
 	return 0;
 }