RDMA/rtrs-clt: Kill rtrs_clt_disconnect_from_sysfs

The function is just a wrapper of rtrs_clt_close_conns, let's call
rtrs_clt_close_conns directly.

Link: https://lore.kernel.org/r/20210528113018.52290-10-jinpu.wang@ionos.comSigned-off-by: Guoqing Jiang <guoqing.jiang@ionos.com>
Signed-off-by: Jack Wang <jinpu.wang@ionos.com>
Signed-off-by: Gioh Kim <gi-oh.kim@ionos.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

drivers/infiniband/ulp/rtrs/rtrs-clt-sysfs.c

@@ -250,7 +250,6 @@ static ssize_t rtrs_clt_disconnect_store(struct kobject *kobj,
 					  const char *buf, size_t count)
 {
 	struct rtrs_clt_sess *sess;
-	int ret;
 
 	sess = container_of(kobj, struct rtrs_clt_sess, kobj);
 	if (!sysfs_streq(buf, "1")) {
@@ -258,9 +257,7 @@ static ssize_t rtrs_clt_disconnect_store(struct kobject *kobj,
 			  attr->attr.name, buf);
 		return -EINVAL;
 	}
-	ret = rtrs_clt_disconnect_from_sysfs(sess);
-	if (ret)
-		return ret;
+	rtrs_clt_close_conns(sess, true);
 
 	return count;
 }

drivers/infiniband/ulp/rtrs/rtrs-clt.c

@@ -1859,7 +1859,7 @@ static int rtrs_rdma_conn_rejected(struct rtrs_clt_con *con,
 	return -ECONNRESET;
 }
 
-static void rtrs_clt_close_conns(struct rtrs_clt_sess *sess, bool wait)
+void rtrs_clt_close_conns(struct rtrs_clt_sess *sess, bool wait)
 {
 	if (rtrs_clt_change_state_get_old(sess, RTRS_CLT_CLOSING, NULL))
 		queue_work(rtrs_wq, &sess->close_work);
@@ -2831,13 +2831,6 @@ int rtrs_clt_reconnect_from_sysfs(struct rtrs_clt_sess *sess)
 	return err;
 }
 
-int rtrs_clt_disconnect_from_sysfs(struct rtrs_clt_sess *sess)
-{
-	rtrs_clt_close_conns(sess, true);
-
-	return 0;
-}
-
 int rtrs_clt_remove_path_from_sysfs(struct rtrs_clt_sess *sess,
 				     const struct attribute *sysfs_self)
 {

drivers/infiniband/ulp/rtrs/rtrs-clt.h

@@ -202,7 +202,7 @@ static inline struct rtrs_permit *get_permit(struct rtrs_clt *clt, int idx)
 }
 
 int rtrs_clt_reconnect_from_sysfs(struct rtrs_clt_sess *sess);
-int rtrs_clt_disconnect_from_sysfs(struct rtrs_clt_sess *sess);
+void rtrs_clt_close_conns(struct rtrs_clt_sess *sess, bool wait);
 int rtrs_clt_create_path_from_sysfs(struct rtrs_clt *clt,
 				     struct rtrs_addr *addr);
 int rtrs_clt_remove_path_from_sysfs(struct rtrs_clt_sess *sess,