net: fix build break

Change-Id: I662580ded8d1c98ddcfbcfae961978eb3512e3b9
Signed-off-by: chao.an <anchao@xiaomi.com>

include/nuttx/mm/iob.h

@@ -466,7 +466,7 @@ int iob_get_queue_count(FAR struct iob_queue_s *queue);
  ****************************************************************************/
 
 #if CONFIG_IOB_NCHAINS > 0
-size_t iob_get_queue_size(FAR struct iob_queue_s *queue);
+unsigned int iob_get_queue_size(FAR struct iob_queue_s *queue);
 #endif /* CONFIG_IOB_NCHAINS > 0 */
 
 /****************************************************************************

mm/iob/iob_get_queue_size.c

@@ -40,11 +40,11 @@
  *
  ****************************************************************************/
 
-size_t iob_get_queue_size(FAR struct iob_queue_s *queue)
+unsigned int iob_get_queue_size(FAR struct iob_queue_s *queue)
 {
   FAR struct iob_qentry_s *iobq;
+  unsigned int total = 0;
   FAR struct iob_s *iob;
-  size_t total = 0;
 
   for (iobq = queue->qh_head; iobq != NULL; iobq = iobq->qe_flink)
     {

net/tcp/tcp_ioctl.c

@@ -27,6 +27,7 @@
 #include <stdint.h>
 #include <stdbool.h>
 #include <debug.h>
+#include <errno.h>
 
 #include <net/if.h>
 
@@ -65,7 +66,7 @@ int tcp_ioctl(FAR struct tcp_conn_s *conn,
           iob_get_queue_size(&conn->readahead);
         break;
       default:
-        ret = -EINVAL;
+        ret = -ENOTTY;
         break;
     }
 

net/udp/udp_ioctl.c

@@ -27,6 +27,7 @@
 #include <stdint.h>
 #include <stdbool.h>
 #include <debug.h>
+#include <errno.h>
 
 #include <net/if.h>
 
@@ -65,7 +66,7 @@ int udp_ioctl(FAR struct udp_conn_s *conn,
           iob_get_queue_size(&conn->readahead);
         break;
       default:
-        ret = -EINVAL;
+        ret = -ENOTTY;
         break;
     }