From d17d8777644b9bd08d5dd79965321d6eb4de1be7 Mon Sep 17 00:00:00 2001
From: SPRESENSE <41312067+SPRESENSE@users.noreply.github.com>
Date: Fri, 6 Aug 2021 14:17:22 +0900
Subject: [PATCH] net/local: Fix receive data size calculation for
 local_recvmsg

In psock_dgram_recvfrom function, fix code logic.
---
 net/local/local_recvmsg.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/local/local_recvmsg.c b/net/local/local_recvmsg.c
index ccfa03bd70..6d6ecea2c4 100644
--- a/net/local/local_recvmsg.c
+++ b/net/local/local_recvmsg.c
@@ -289,7 +289,7 @@ psock_dgram_recvfrom(FAR struct socket *psock, FAR void *buf, size_t len,
         {
           /* Read 32 bytes into the bit bucket */
 
-          readlen = MIN(remaining, 32);
+          tmplen = MIN(remaining, 32);
           ret     = psock_fifo_read(psock, bitbucket, &tmplen, false);
           if (ret < 0)
             {
@@ -302,6 +302,7 @@ psock_dgram_recvfrom(FAR struct socket *psock, FAR void *buf, size_t len,
 
           DEBUGASSERT(tmplen <= remaining);
           remaining -= tmplen;
+          readlen += tmplen;
         }
       while (remaining > 0);
     }