Blame SOURCES/0236-efi-fix-GetVariable-return-status-check-in-81ca24a.patch
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Ignat Korchagin <ignat@cloudflare.com>
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Date: Fri, 24 Jul 2015 20:46:02 +0300
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Subject: [PATCH] efi: fix GetVariable return status check in 81ca24a
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GetVariable should return EFI_BUFFER_TOO_SMALL if given buffer of size
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zero; commit incorrectly checked for EFI_SUCCESS.
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---
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grub-core/kern/efi/efi.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/grub-core/kern/efi/efi.c b/grub-core/kern/efi/efi.c
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index 0cd64cdb59e..101307fc71e 100644
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--- a/grub-core/kern/efi/efi.c
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+++ b/grub-core/kern/efi/efi.c
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@@ -243,7 +243,7 @@ grub_efi_get_variable (const char *var, const grub_efi_guid_t *guid,
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status = efi_call_5 (r->get_variable, var16, guid, NULL, &datasize, NULL);
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- if (status != GRUB_EFI_SUCCESS || !datasize)
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+ if (status != GRUB_EFI_BUFFER_TOO_SMALL || !datasize)
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{
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grub_free (var16);
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return NULL;
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