107 lines
3.3 KiB
Diff
107 lines
3.3 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Peter Jones <pjones@redhat.com>
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Date: Thu, 1 Jun 2017 10:06:38 -0400
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Subject: [PATCH] Use grub_efi_...() memory helpers where reasonable.
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This uses grub_efi_allocate_pool(), grub_efi_free_pool(), and
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grub_efi_free_pages() instead of open-coded efi_call_N() calls, so we
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get more reasonable type checking.
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Signed-off-by: Peter Jones <pjones@redhat.com>
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---
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grub-core/loader/efi/chainloader.c | 24 +++++++++---------------
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1 file changed, 9 insertions(+), 15 deletions(-)
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diff --git a/grub-core/loader/efi/chainloader.c b/grub-core/loader/efi/chainloader.c
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index 3ff305b1d32..ba3d2930197 100644
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--- a/grub-core/loader/efi/chainloader.c
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+++ b/grub-core/loader/efi/chainloader.c
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@@ -65,7 +65,7 @@ grub_chainloader_unload (void)
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b = grub_efi_system_table->boot_services;
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efi_call_1 (b->unload_image, image_handle);
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- efi_call_2 (b->free_pages, address, pages);
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+ grub_efi_free_pages (address, pages);
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grub_free (file_path);
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grub_free (cmdline);
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@@ -108,7 +108,7 @@ grub_chainloader_boot (void)
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}
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if (exit_data)
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- efi_call_1 (b->free_pool, exit_data);
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+ grub_efi_free_pool (exit_data);
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grub_loader_unset ();
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@@ -523,10 +523,9 @@ grub_efi_get_media_file_path (grub_efi_device_path_t *dp)
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static grub_efi_boolean_t
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handle_image (void *data, grub_efi_uint32_t datasize)
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{
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- grub_efi_boot_services_t *b;
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grub_efi_loaded_image_t *li, li_bak;
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grub_efi_status_t efi_status;
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- char *buffer = NULL;
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+ void *buffer = NULL;
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char *buffer_aligned = NULL;
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grub_efi_uint32_t i;
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struct grub_pe32_section_table *section;
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@@ -537,8 +536,6 @@ handle_image (void *data, grub_efi_uint32_t datasize)
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int found_entry_point = 0;
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int rc;
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- b = grub_efi_system_table->boot_services;
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-
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rc = read_header (data, datasize, &context);
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if (rc < 0)
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{
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@@ -578,8 +575,8 @@ handle_image (void *data, grub_efi_uint32_t datasize)
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grub_dprintf ("chain", "image size is %08"PRIxGRUB_UINT64_T", datasize is %08x\n",
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context.image_size, datasize);
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- efi_status = efi_call_3 (b->allocate_pool, GRUB_EFI_LOADER_DATA,
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- buffer_size, &buffer);
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+ efi_status = grub_efi_allocate_pool (GRUB_EFI_LOADER_DATA, buffer_size,
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+ &buffer);
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if (efi_status != GRUB_EFI_SUCCESS)
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{
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@@ -811,14 +808,14 @@ handle_image (void *data, grub_efi_uint32_t datasize)
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grub_dprintf ("chain", "entry_point returned %ld\n", efi_status);
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grub_memcpy (li, &li_bak, sizeof (grub_efi_loaded_image_t));
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- efi_status = efi_call_1 (b->free_pool, buffer);
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+ efi_status = grub_efi_free_pool (buffer);
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return 1;
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error_exit:
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grub_dprintf ("chain", "error_exit: grub_errno: %d\n", grub_errno);
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if (buffer)
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- efi_call_1 (b->free_pool, buffer);
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+ grub_efi_free_pool (buffer);
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return 0;
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}
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@@ -826,10 +823,7 @@ error_exit:
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static grub_err_t
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grub_secureboot_chainloader_unload (void)
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{
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- grub_efi_boot_services_t *b;
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-
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- b = grub_efi_system_table->boot_services;
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- efi_call_2 (b->free_pages, address, pages);
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+ grub_efi_free_pages (address, pages);
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grub_free (file_path);
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grub_free (cmdline);
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cmdline = 0;
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@@ -1096,7 +1090,7 @@ fail:
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grub_free (file_path);
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if (address)
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- efi_call_2 (b->free_pages, address, pages);
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+ grub_efi_free_pages (address, pages);
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if (cmdline)
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grub_free (cmdline);
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