From c0ecb1c626063be4b32e797f71a194268487b76e Mon Sep 17 00:00:00 2001
From: Philippe Teuwen <phil@teuwen.org>
Date: Tue, 14 Apr 2026 10:14:32 +0200
Subject: [PATCH] fpga_compress: fix heap corruption

---
 tools/fpga_compress/fpga_compress.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/fpga_compress/fpga_compress.c b/tools/fpga_compress/fpga_compress.c
index 04712c91b..b9fb8d332 100644
--- a/tools/fpga_compress/fpga_compress.c
+++ b/tools/fpga_compress/fpga_compress.c
@@ -59,9 +59,9 @@ static int zlib_compress(FILE *infile[], uint8_t num_infiles, FILE *outfile) {
     uint32_t total_size = 0;
     do {
 
-        if (total_size > num_infiles * FPGA_CONFIG_SIZE) {
+        if (total_size >= num_infiles * FPGA_CONFIG_SIZE) {
             fprintf(stderr,
-                    "Input files too big (total > %li bytes). These are probably not PM3 FPGA config files.\n"
+                    "Input files too big (total >= %li bytes). These are probably not PM3 FPGA config files.\n"
                     , num_infiles * FPGA_CONFIG_SIZE
                    );