diff --git a/drivers/infiniband/core/sysfs.c b/drivers/infiniband/core/sysfs.c
index abc5ab581f8214540b11d3a9d8434a551273bb3d..e30d86fa18553b8220e015c05f1b472995817648 100644
--- a/drivers/infiniband/core/sysfs.c
+++ b/drivers/infiniband/core/sysfs.c
@@ -108,8 +108,22 @@ static ssize_t port_attr_show(struct kobject *kobj,
 	return port_attr->show(p, port_attr, buf);
 }
 
+static ssize_t port_attr_store(struct kobject *kobj,
+			       struct attribute *attr,
+			       const char *buf, size_t count)
+{
+	struct port_attribute *port_attr =
+		container_of(attr, struct port_attribute, attr);
+	struct ib_port *p = container_of(kobj, struct ib_port, kobj);
+
+	if (!port_attr->store)
+		return -EIO;
+	return port_attr->store(p, port_attr, buf, count);
+}
+
 static const struct sysfs_ops port_sysfs_ops = {
-	.show = port_attr_show
+	.show	= port_attr_show,
+	.store	= port_attr_store
 };
 
 static ssize_t gid_attr_show(struct kobject *kobj,