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-rw-r--r--minui/graphics_adf.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/minui/graphics_adf.cpp b/minui/graphics_adf.cpp
index 17f30d1d4..9ab0b06bf 100644
--- a/minui/graphics_adf.cpp
+++ b/minui/graphics_adf.cpp
@@ -67,8 +67,9 @@ static int adf_surface_init(adf_pdata* pdata, drm_mode_modeinfo* mode, adf_surfa
surf->base.data = static_cast<uint8_t*>(mmap(nullptr, surf->pitch * surf->base.height, PROT_WRITE,
MAP_SHARED, surf->fd, surf->offset));
if (surf->base.data == MAP_FAILED) {
+ int saved_errno = errno;
close(surf->fd);
- return -errno;
+ return -saved_errno;
}
return 0;