From 8140d347ff8c7b248742c4462b69392bda576f58 Mon Sep 17 00:00:00 2001
From: Geoffrey McRae <geoff@hostfission.com>
Date: Wed, 15 Nov 2017 16:34:37 +1100
Subject: [PATCH] [client] FRAME_TYPE_INVALID is never a valid type to compare

---
 client/main.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/client/main.c b/client/main.c
index 9bbe8b58..5e94a7f1 100644
--- a/client/main.c
+++ b/client/main.c
@@ -80,6 +80,8 @@ void compFunc_BLACK_RLE(uint8_t * dst, const uint8_t * src, const size_t len)
 inline bool areFormatsSame(const struct KVMGFXHeader s1, const struct KVMGFXHeader s2)
 {
   return
+    (s1.frameType != FRAME_TYPE_INVALID) &&
+    (s2.frameType != FRAME_TYPE_INVALID) &&
     (s1.version   == s2.version  ) &&
     (s1.frameType == s2.frameType) &&
     (s1.compType  == s2.compType ) &&
@@ -218,7 +220,7 @@ int renderThread(void * unused)
     }
 
     // if the format is invalid or it has changed
-    if (format.frameType == FRAME_TYPE_INVALID || !areFormatsSame(format, *state.shm))
+    if (!areFormatsSame(format, *state.shm))
     {
       if (texture)
       {