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From 7e5c1057944796b36d4b6683b757ba166ad047c9 Mon Sep 17 00:00:00 2001
From: Ignat Korchagin <ignat@cloudflare.com>
Date: Fri, 24 Jul 2015 20:46:02 +0300
Subject: [PATCH 236/237] efi: fix GetVariable return status check in 81ca24a
GetVariable should return EFI_BUFFER_TOO_SMALL if given buffer of size
zero; commit incorrectly checked for EFI_SUCCESS.
---
grub-core/kern/efi/efi.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/grub-core/kern/efi/efi.c b/grub-core/kern/efi/efi.c
index 0cd64cd..101307f 100644
--- a/grub-core/kern/efi/efi.c
+++ b/grub-core/kern/efi/efi.c
@@ -243,7 +243,7 @@ grub_efi_get_variable (const char *var, const grub_efi_guid_t *guid,
status = efi_call_5 (r->get_variable, var16, guid, NULL, &datasize, NULL);
- if (status != GRUB_EFI_SUCCESS || !datasize)
+ if (status != GRUB_EFI_BUFFER_TOO_SMALL || !datasize)
{
grub_free (var16);
return NULL;
--
2.9.3