Remove redundant length-0 checks for incoming unprotected records
diff --git a/library/ssl_tls.c b/library/ssl_tls.c
index a0e992d..fe61126 100644
--- a/library/ssl_tls.c
+++ b/library/ssl_tls.c
@@ -4854,8 +4854,7 @@
     /* Check length against bounds of the current transform and version */
     if( ssl->transform_in == NULL )
     {
-        if( ssl->in_msglen < 1 ||
-            ssl->in_msglen > MBEDTLS_SSL_IN_CONTENT_LEN )
+        if( ssl->in_msglen > MBEDTLS_SSL_IN_CONTENT_LEN )
         {
             MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad message length" ) );
             return( MBEDTLS_ERR_SSL_INVALID_RECORD );