From 1826d4c23299bfaa1b0ee9e57fdee50986e89175 Mon Sep 17 00:00:00 2001
From: Cameron Gutman <aicommander@gmail.com>
Date: Sat, 24 Oct 2026 17:00:11 -0500
Subject: [PATCH] Fix incorrect mmap() failure check

---
 app/streaming/video/ffmpeg-renderers/drm.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/streaming/video/ffmpeg-renderers/drm.cpp b/app/streaming/video/ffmpeg-renderers/drm.cpp
index 50d7a395..3ac5c5b5 100644
--- a/app/streaming/video/ffmpeg-renderers/drm.cpp
+++ b/app/streaming/video/ffmpeg-renderers/drm.cpp
@@ -1307,7 +1307,7 @@ bool DrmRenderer::mapDumbBuffer(uint32_t handle, size_t size, void** mapping)
 #else
     *mapping = mmap(nullptr, size, PROT_WRITE, MAP_SHARED, m_DrmFd, mapBuf.offset);
 #endif
-    if (mapping == MAP_FAILED) {
+    if (*mapping == MAP_FAILED) {
         SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
                      "mmap() failed for dumb buffer: %d",
                      errno);