integ/grub/grub-efi/debian/patches/0012-efi-chainloader-take-c...

44 lines
1.3 KiB
Diff

From 416eaf86565248e11bfb4ef56b6d5a5e21a4541f Mon Sep 17 00:00:00 2001
From: Ricardo Neri <ricardo.neri-calderon@linux.intel.com>
Date: Fri, 27 Mar 2015 08:31:27 -0700
Subject: [PATCH] efi: chainloader: take care of unload undershim
Upstream-Status: Inappropriate [embedded specific]
Under shim, we use a custom buffer to put the relocated image, make
sure we free that memory when unloading.
Signed-off-by: Ricardo Neri <ricardo.neri-calderon@linux.intel.com>
---
grub-core/loader/efi/chainloader.c | 14 ++++++++++++--
1 file changed, 12 insertions(+), 2 deletions(-)
diff --git a/grub-core/loader/efi/chainloader.c b/grub-core/loader/efi/chainloader.c
index adaf3c9..285271d 100644
--- a/grub-core/loader/efi/chainloader.c
+++ b/grub-core/loader/efi/chainloader.c
@@ -590,8 +590,18 @@ grub_chainloader_unload (void)
grub_efi_boot_services_t *b;
b = grub_efi_system_table->boot_services;
- efi_call_1 (b->unload_image, image_handle);
- efi_call_2 (b->free_pages, address, pages);
+ if (!shim_used)
+ {
+ efi_call_1 (b->unload_image, image_handle);
+ efi_call_2 (b->free_pages, address, pages);
+ }
+ else
+ {
+ if (shim_buffer)
+ {
+ efi_call_2 (b->free_pages, shim_buffer, shim_pages);
+ }
+ }
grub_free (file_path);
grub_free (cmdline);
--
2.17.1