From 2645e0aa9c17c2c966a0533e52ad00510311483e Mon Sep 17 00:00:00 2001 From: Adam Jackson Date: Wed, 29 Aug 2018 11:04:23 -0400 Subject: [PATCH] Refuse to run on UEFI machines No possible good can come of this. v2: Check for .../efi-framebuffer.0 ("is there an EFI framebuffer") instead of /sys/firmware/efi ("is this an EFI machine"). Suggested by Peter Jones. Upstream-Status: Backport [https://gitlab.freedesktop.org/xorg/driver/xf86-video-vesa] Reviewed-by: Peter Jones Signed-off-by: Adam Jackson Signed-off-by: Ovidiu Panait --- src/vesa.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/src/vesa.c b/src/vesa.c index 9b65b9b..af750e2 100644 --- a/src/vesa.c +++ b/src/vesa.c @@ -43,7 +43,7 @@ #endif #include - +#include #include "vesa.h" /* All drivers initialising the SW cursor need this */ @@ -450,7 +450,14 @@ VESAPciProbe(DriverPtr drv, int entity_num, struct pci_device *dev, intptr_t match_data) { ScrnInfoPtr pScrn; - + +#ifdef __linux__ + if (access("/sys/devices/platform/efi-framebuffer.0", F_OK) == 0) { + ErrorF("vesa: Refusing to run on UEFI\n"); + return FALSE; + } +#endif + pScrn = xf86ConfigPciEntity(NULL, 0, entity_num, NULL, NULL, NULL, NULL, NULL, NULL); if (pScrn != NULL) { -- 2.20.1