scsi: scsi_transport_fc: convert sysfs snprintf to sysfs_emit

diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c
index a2524106206d..a47f6e0f8597 100644
--- a/drivers/scsi/scsi_transport_fc.c
+++ b/drivers/scsi/scsi_transport_fc.c
@@ -1115,7 +1115,7 @@  show_fc_rport_supported_classes (struct device *dev,
 {
 	struct fc_rport *rport = transport_class_to_rport(dev);
 	if (rport->supported_classes == FC_COS_UNSPECIFIED)
-		return snprintf(buf, 20, "unspecified\n");
+		return sysfs_emit(buf, "unspecified\n");
 	return get_fc_cos_names(rport->supported_classes, buf);
 }
 static FC_DEVICE_ATTR(rport, supported_classes, S_IRUGO,
@@ -1210,21 +1210,21 @@  show_fc_rport_roles (struct device *dev, struct device_attribute *attr,
 					FC_WELLKNOWN_PORTID_MASK) {
 		switch (rport->port_id & FC_WELLKNOWN_ROLE_MASK) {
 		case FC_FPORT_PORTID:
-			return snprintf(buf, 30, "Fabric Port\n");
+			return sysfs_emit(buf, "Fabric Port\n");
 		case FC_FABCTLR_PORTID:
-			return snprintf(buf, 30, "Fabric Controller\n");
+			return sysfs_emit(buf, "Fabric Controller\n");
 		case FC_DIRSRVR_PORTID:
-			return snprintf(buf, 30, "Directory Server\n");
+			return sysfs_emit(buf, "Directory Server\n");
 		case FC_TIMESRVR_PORTID:
-			return snprintf(buf, 30, "Time Server\n");
+			return sysfs_emit(buf, "Time Server\n");
 		case FC_MGMTSRVR_PORTID:
-			return snprintf(buf, 30, "Management Server\n");
+			return sysfs_emit(buf, "Management Server\n");
 		default:
-			return snprintf(buf, 30, "Unknown Fabric Entity\n");
+			return sysfs_emit(buf, "Unknown Fabric Entity\n");
 		}
 	} else {
 		if (rport->roles == FC_PORT_ROLE_UNKNOWN)
-			return snprintf(buf, 20, "unknown\n");
+			return sysfs_emit(buf, "unknown\n");
 		return get_fc_port_roles_names(rport->roles, buf);
 	}
 }
@@ -1278,7 +1278,7 @@  show_fc_rport_port_state(struct device *dev,
 	if (!name)
 		return -EINVAL;
 
-	return snprintf(buf, 20, "%s\n", name);
+	return sysfs_emit(buf, "%s\n", name);
 }
 
 static FC_DEVICE_ATTR(rport, port_state, 0444 | 0200,
@@ -1296,8 +1296,8 @@  show_fc_rport_fast_io_fail_tmo (struct device *dev,
 	struct fc_rport *rport = transport_class_to_rport(dev);
 
 	if (rport->fast_io_fail_tmo == -1)
-		return snprintf(buf, 5, "off\n");
-	return snprintf(buf, 20, "%d\n", rport->fast_io_fail_tmo);
+		return sysfs_emit(buf, "off\n");
+	return sysfs_emit(buf, "%d\n", rport->fast_io_fail_tmo);
 }
 
 static ssize_t
@@ -1341,7 +1341,7 @@  static ssize_t fc_rport_fpinstat_##name(struct device *cd,		\
 {									\
 	struct fc_rport *rport = transport_class_to_rport(cd);		\
 									\
-	return snprintf(buf, 20, "0x%llx\n", rport->fpin_stats.name);	\
+	return sysfs_emit(buf, "0x%llx\n", rport->fpin_stats.name);	\
 }									\
 static FC_DEVICE_ATTR(rport, fpin_##name, 0444, fc_rport_fpinstat_##name, NULL)
 
@@ -1657,7 +1657,7 @@  show_fc_vport_roles (struct device *dev, struct device_attribute *attr,
 	struct fc_vport *vport = transport_class_to_vport(dev);
 
 	if (vport->roles == FC_PORT_ROLE_UNKNOWN)
-		return snprintf(buf, 20, "unknown\n");
+		return sysfs_emit(buf, "unknown\n");
 	return get_fc_port_roles_names(vport->roles, buf);
 }
 static FC_DEVICE_ATTR(vport, roles, S_IRUGO, show_fc_vport_roles, NULL);
@@ -1883,7 +1883,7 @@  show_fc_host_supported_classes (struct device *dev,
 	struct Scsi_Host *shost = transport_class_to_shost(dev);
 
 	if (fc_host_supported_classes(shost) == FC_COS_UNSPECIFIED)
-		return snprintf(buf, 20, "unspecified\n");
+		return sysfs_emit(buf, "unspecified\n");
 
 	return get_fc_cos_names(fc_host_supported_classes(shost), buf);
 }
@@ -1907,7 +1907,7 @@  show_fc_host_supported_speeds (struct device *dev,
 	struct Scsi_Host *shost = transport_class_to_shost(dev);
 
 	if (fc_host_supported_speeds(shost) == FC_PORTSPEED_UNKNOWN)
-		return snprintf(buf, 20, "unknown\n");
+		return sysfs_emit(buf, "unknown\n");
 
 	return get_fc_port_speed_names(fc_host_supported_speeds(shost), buf);
 }
@@ -1959,7 +1959,7 @@  show_fc_host_speed (struct device *dev,
 		i->f->get_host_speed(shost);
 
 	if (fc_host_speed(shost) == FC_PORTSPEED_UNKNOWN)
-		return snprintf(buf, 20, "unknown\n");
+		return sysfs_emit(buf, "unknown\n");
 
 	return get_fc_port_speed_names(fc_host_speed(shost), buf);
 }
@@ -1992,7 +1992,7 @@  show_fc_private_host_tgtid_bind_type(struct device *dev,
 	name = get_fc_tgtid_bind_type_name(fc_host_tgtid_bind_type(shost));
 	if (!name)
 		return -EINVAL;
-	return snprintf(buf, FC_BINDTYPE_MAX_NAMELEN, "%s\n", name);
+	return sysfs_emit(buf, "%s\n", name);
 }
 
 #define get_list_head_entry(pos, head, member) 		\
@@ -2101,7 +2101,7 @@  fc_stat_show(const struct device *dev, char *buf, unsigned long offset)
 	if (i->f->get_fc_host_stats) {
 		stats = (i->f->get_fc_host_stats)(shost);
 		if (stats)
-			ret = snprintf(buf, 20, "0x%llx\n",
+			ret = sysfs_emit(buf, "0x%llx\n",
 			      (unsigned long long)*(u64 *)(((u8 *) stats) + offset));
 	}
 	return ret;
@@ -2160,7 +2160,7 @@  static ssize_t fc_host_fpinstat_##name(struct device *cd,		\
 	struct Scsi_Host *shost = transport_class_to_shost(cd);		\
 	struct fc_host_attrs *fc_host = shost_to_fc_host(shost);	\
 									\
-	return snprintf(buf, 20, "0x%llx\n", fc_host->fpin_stats.name);	\
+	return sysfs_emit(buf, "0x%llx\n", fc_host->fpin_stats.name);	\
 }									\
 static FC_DEVICE_ATTR(host, fpin_##name, 0444, fc_host_fpinstat_##name, NULL)