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ce942da8e7
The overflow was in fact impossible in practice because the int parameter is only ever 0, 1, or 2, but GCC couldn't prove that.
29 lines
909 B
Diff
29 lines
909 B
Diff
From 90b80a94103bece12cd80e99e71ff7ab75a66e0b Mon Sep 17 00:00:00 2001
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From: Colin Watson <cjwatson@ubuntu.com>
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Date: Mon, 13 Jan 2014 12:13:19 +0000
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Subject: Make linuxefi refuse to boot without shim
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This is only intended as a temporary measure.
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Forwarded: not-needed
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Last-Update: 2013-01-29
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Patch-Name: linuxefi_require_shim.patch
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---
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grub-core/loader/i386/efi/linux.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/grub-core/loader/i386/efi/linux.c b/grub-core/loader/i386/efi/linux.c
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index 1995a5089..ff293166c 100644
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--- a/grub-core/loader/i386/efi/linux.c
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+++ b/grub-core/loader/i386/efi/linux.c
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@@ -63,7 +63,7 @@ grub_linuxefi_secure_validate (void *data, grub_uint32_t size)
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if (!shim_lock)
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{
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grub_dprintf ("linuxefi", "shim not available\n");
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- return 1;
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+ return 0;
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}
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grub_dprintf ("linuxefi", "Asking shim to verify kernel signature\n");
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