commit 3be264e2c33a7de193ede8b7987f8609093c870a
author Hanno Becker <hanno.becker@arm.com> Tue Jul 09 17:27:32 2019 +0100
committer Hanno Becker <hanno.becker@arm.com> Wed Aug 14 14:30:51 2019 +0100
tree 2c5b99f7fa6eb89507d0912e78d21d4c1a5ebb97
parent 31c3b14e371ed24988f0125bc473c2d9fe59f3a5

Remove redundant length-0 checks for incoming unprotected records

library/ssl_tls.c

diff --git a/library/ssl_tls.c b/library/ssl_tls.c
index 0386ea0..5f81939 100644
--- a/library/ssl_tls.c
+++ b/library/ssl_tls.c
@@ -5027,8 +5027,7 @@
     /* 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 );