Blame SOURCES/0001-Refuse-to-run-on-UEFI-machines.patch
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From 2645e0aa9c17c2c966a0533e52ad00510311483e Mon Sep 17 00:00:00 2001
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From: Adam Jackson <ajax@redhat.com>
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Date: Wed, 29 Aug 2018 11:04:23 -0400
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Subject: [PATCH xf86-video-vesa] Refuse to run on UEFI machines
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No possible good can come of this.
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v2: Check for .../efi-framebuffer.0 ("is there an EFI framebuffer")
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instead of /sys/firmware/efi ("is this an EFI machine"). Suggested by
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Peter Jones.
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Reviewed-by: Peter Jones <pjones@redhat.com>
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Signed-off-by: Adam Jackson <ajax@redhat.com>
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diff --git a/src/vesa.c b/src/vesa.c
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index 9b65b9b..af750e2 100644
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--- a/src/vesa.c
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+++ b/src/vesa.c
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@@ -43,7 +43,7 @@
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#endif
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#include <string.h>
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-
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+#include <unistd.h>
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#include "vesa.h"
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/* All drivers initialising the SW cursor need this */
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@@ -450,7 +450,14 @@ VESAPciProbe(DriverPtr drv, int entity_num, struct pci_device *dev,
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intptr_t match_data)
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{
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ScrnInfoPtr pScrn;
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-
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+
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+#ifdef __linux__
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+ if (access("/sys/devices/platform/efi-framebuffer.0", F_OK) == 0) {
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+ ErrorF("vesa: Refusing to run on UEFI\n");
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+ return FALSE;
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+ }
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+#endif
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+
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pScrn = xf86ConfigPciEntity(NULL, 0, entity_num, NULL,
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NULL, NULL, NULL, NULL, NULL);
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if (pScrn != NULL) {
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--
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2.17.1
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