Avoid an iteration in flush function

The loop test ought to iterate again to end the loop but this is only required if the socket contained more data than read.

Avoid an iteration in flush function
The loop test ought to iterate again to end the loop but this is only required if the socket contained more data than read.
Stéphane Raimbault
1 parent e2c9f5fd
Showing 1 changed file with 1 additions and 1 deletions
src/modbus-tcp.c
@@ -354,7 +354,7 @@ int _modbus_tcp_flush(modbus_t *ctx)
         if (ctx->debug && rc != -1) {
             printf("\n%d bytes flushed\n", rc);
         }
-    } while (rc > 0);
+    } while (rc == MODBUS_TCP_MAX_ADU_LENGTH);
  
     return rc;
 }