net/usrsock: Remove the unnecessary blank line

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>

drivers/usrsock/usrsock_dev.c

@@ -66,7 +66,7 @@ struct usrsockdev_s
     int                     iovcnt; /* Number of request buffers */
     size_t                  pos;    /* Reader position on request buffer */
   } req;
-  struct pollfd *pollfds[CONFIG_NET_USRSOCKDEV_NPOLLWAITERS];
+  FAR struct pollfd *pollfds[CONFIG_NET_USRSOCKDEV_NPOLLWAITERS];
 };
 
 /****************************************************************************
@@ -233,7 +233,6 @@ static ssize_t usrsockdev_read(FAR struct file *filep, FAR char *buffer,
     }
 
   usrsockdev_semgive(&dev->devsem);
-
   return len;
 }
 
@@ -302,7 +301,6 @@ static off_t usrsockdev_seek(FAR struct file *filep, off_t offset,
     }
 
   usrsockdev_semgive(&dev->devsem);
-
   return pos;
 }
 
@@ -315,8 +313,8 @@ static ssize_t usrsockdev_write(FAR struct file *filep,
 {
   FAR struct inode *inode = filep->f_inode;
   FAR struct usrsockdev_s *dev;
-  ssize_t ret = 0;
   bool req_done = false;
+  ssize_t ret = 0;
 
   if (len == 0)
     {
@@ -334,7 +332,7 @@ static ssize_t usrsockdev_write(FAR struct file *filep,
 
   DEBUGASSERT(dev);
 
-  ret = (ssize_t)usrsockdev_semtake(&dev->devsem);
+  ret = usrsockdev_semtake(&dev->devsem);
   if (ret < 0)
     {
       return ret;
@@ -395,7 +393,6 @@ static int usrsockdev_open(FAR struct file *filep)
     }
 
   usrsockdev_semgive(&dev->devsem);
-
   return ret;
 }
 
@@ -575,7 +572,6 @@ int usrsock_request(FAR struct iovec *iov, unsigned int iovcnt)
     }
 
   usrsockdev_semgive(&dev->devsem);
-
   return ret;
 }
 

net/usrsock/usrsock_accept.c

@@ -428,7 +428,6 @@ int usrsock_accept(FAR struct socket *psock, FAR struct sockaddr *addr,
                */
 
               outaddrlen = state.valuelen_nontrunc;
-
               ret = OK;
             }
         }

net/usrsock/usrsock_devif.c

@@ -199,7 +199,6 @@ static ssize_t usrsock_handle_event(FAR const void *buffer, size_t len)
         if (len < sizeof(*hdr))
           {
             nwarn("message too short, %zu < %zu.\n", len, sizeof(*hdr));
-
             return -EINVAL;
           }
 
@@ -209,7 +208,6 @@ static ssize_t usrsock_handle_event(FAR const void *buffer, size_t len)
         if (!conn)
           {
             nwarn("no active connection for usockid=%d.\n", hdr->usockid);
-
             return -ENOENT;
           }
 
@@ -308,7 +306,6 @@ usrsock_handle_datareq_response(FAR struct usrsock_conn_s *conn,
        */
 
       conn->resp.inprogress = true;
-
       return sizeof(*datahdr);
     }
 
@@ -329,14 +326,12 @@ usrsock_handle_datareq_response(FAR struct usrsock_conn_s *conn,
         {
           nerr("error: response result negative, and valuelen or "
                "valuelen_nontrunc non-zero.\n");
-
           return -EINVAL;
         }
 
       /* Done with request/response. */
 
       usrsock_event(conn);
-
       return sizeof(*datahdr);
     }
 
@@ -348,7 +343,6 @@ usrsock_handle_datareq_response(FAR struct usrsock_conn_s *conn,
     {
       nwarn("not enough recv buffers (need: %d, have: %d).\n", num_inbufs,
             conn->resp.datain.iovcnt);
-
       return -EINVAL;
     }
 
@@ -362,10 +356,8 @@ usrsock_handle_datareq_response(FAR struct usrsock_conn_s *conn,
   if (conn->resp.datain.iov[iovpos].iov_len < datahdr->valuelen)
     {
       nwarn("%dth buffer not large enough (need: %d, have: %zu).\n",
-            iovpos,
-            datahdr->valuelen,
+            iovpos, datahdr->valuelen,
             conn->resp.datain.iov[iovpos].iov_len);
-
       return -EINVAL;
     }
 
@@ -383,10 +375,8 @@ usrsock_handle_datareq_response(FAR struct usrsock_conn_s *conn,
         {
           nwarn("%dth buffer not large enough "
                 "(need: %" PRId32 ", have: %zu).\n",
-                iovpos,
-                hdr->result,
+                iovpos, hdr->result,
                 conn->resp.datain.iov[iovpos].iov_len);
-
           return -EINVAL;
         }
 
@@ -445,7 +435,6 @@ static ssize_t usrsock_handle_req_response(FAR const void *buffer,
   if (len < hdrlen)
     {
       nwarn("message too short, %zu < %zu.\n", len, hdrlen);
-
       return -EINVAL;
     }
 
@@ -537,7 +526,6 @@ ssize_t usrsock_response(FAR const char *buffer, size_t len,
         {
           nwarn("message too short, %zu < %zu.\n", len,
                 sizeof(struct usrsock_message_common_s));
-
           return -EINVAL;
         }
 
@@ -648,7 +636,6 @@ int usrsock_do_request(FAR struct usrsock_conn_s *conn,
   req->ackxid = req_head->xid;
 
   ret = usrsock_request(iov, iovcnt);
-
   if (ret == OK)
     {
       /* Wait ack for request. */
@@ -661,7 +648,6 @@ int usrsock_do_request(FAR struct usrsock_conn_s *conn,
   /* Free request line for next command. */
 
   nxsem_post(&req->sem);
-
   return ret;
 }
 

net/usrsock/usrsock_getsockopt.c

@@ -235,7 +235,6 @@ int usrsock_getsockopt(FAR struct usrsock_conn_s *conn,
 
 errout_unlock:
   net_unlock();
-
   return ret;
 }
 

net/usrsock/usrsock_ioctl.c

@@ -248,7 +248,6 @@ int usrsock_ioctl(FAR struct socket *psock, int cmd, unsigned long arg_)
 
 errout_unlock:
   net_unlock();
-
   return ret;
 }
 

net/usrsock/usrsock_setsockopt.c

@@ -168,7 +168,6 @@ int usrsock_setsockopt(FAR struct usrsock_conn_s *conn,
   int ret;
 
   DEBUGASSERT(conn);
-
   net_lock();
 
   if (conn->state == USRSOCK_CONN_STATE_UNINITIALIZED ||

net/usrsock/usrsock_socket.c

@@ -238,7 +238,6 @@ int usrsock_socket(int domain, int type, int protocol,
   usrsock_teardown_request_callback(&state);
 
   net_unlock();
-
   return OK;
 
 errout_teardown_callback:
@@ -246,7 +245,6 @@ errout_teardown_callback:
 errout_free_conn:
   usrsock_free(conn);
   net_unlock();
-
   return err;
 }