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-rw-r--r--drivers/firmware/efi/libstub/Makefile2
-rw-r--r--drivers/firmware/efi/libstub/arm-stub.c77
-rw-r--r--drivers/firmware/efi/libstub/arm32-stub.c37
-rw-r--r--drivers/firmware/efi/libstub/arm64-stub.c15
-rw-r--r--drivers/firmware/efi/libstub/efi-stub-helper.c6
-rw-r--r--drivers/firmware/efi/libstub/fdt.c24
-rw-r--r--drivers/firmware/efi/libstub/gop.c354
7 files changed, 475 insertions, 40 deletions
diff --git a/drivers/firmware/efi/libstub/Makefile b/drivers/firmware/efi/libstub/Makefile
index da99bbb..c069451 100644
--- a/drivers/firmware/efi/libstub/Makefile
+++ b/drivers/firmware/efi/libstub/Makefile
@@ -28,7 +28,7 @@ OBJECT_FILES_NON_STANDARD := y
# Prevents link failures: __sanitizer_cov_trace_pc() is not linked in.
KCOV_INSTRUMENT := n
-lib-y := efi-stub-helper.o
+lib-y := efi-stub-helper.o gop.o
# include the stub's generic dependencies from lib/ when building for ARM/arm64
arm-deps := fdt_rw.c fdt_ro.c fdt_wip.c fdt.c fdt_empty_tree.c fdt_sw.c sort.c
diff --git a/drivers/firmware/efi/libstub/arm-stub.c b/drivers/firmware/efi/libstub/arm-stub.c
index 414deb8..993aa56 100644
--- a/drivers/firmware/efi/libstub/arm-stub.c
+++ b/drivers/firmware/efi/libstub/arm-stub.c
@@ -20,27 +20,49 @@
bool __nokaslr;
-static int efi_secureboot_enabled(efi_system_table_t *sys_table_arg)
+static int efi_get_secureboot(efi_system_table_t *sys_table_arg)
{
- static efi_guid_t const var_guid = EFI_GLOBAL_VARIABLE_GUID;
- static efi_char16_t const var_name[] = {
+ static efi_char16_t const sb_var_name[] = {
'S', 'e', 'c', 'u', 'r', 'e', 'B', 'o', 'o', 't', 0 };
+ static efi_char16_t const sm_var_name[] = {
+ 'S', 'e', 't', 'u', 'p', 'M', 'o', 'd', 'e', 0 };
+ efi_guid_t var_guid = EFI_GLOBAL_VARIABLE_GUID;
efi_get_variable_t *f_getvar = sys_table_arg->runtime->get_variable;
- unsigned long size = sizeof(u8);
- efi_status_t status;
u8 val;
+ unsigned long size = sizeof(val);
+ efi_status_t status;
- status = f_getvar((efi_char16_t *)var_name, (efi_guid_t *)&var_guid,
+ status = f_getvar((efi_char16_t *)sb_var_name, (efi_guid_t *)&var_guid,
NULL, &size, &val);
+ if (status != EFI_SUCCESS)
+ goto out_efi_err;
+
+ if (val == 0)
+ return 0;
+
+ status = f_getvar((efi_char16_t *)sm_var_name, (efi_guid_t *)&var_guid,
+ NULL, &size, &val);
+
+ if (status != EFI_SUCCESS)
+ goto out_efi_err;
+
+ if (val == 1)
+ return 0;
+
+ return 1;
+
+out_efi_err:
switch (status) {
- case EFI_SUCCESS:
- return val;
case EFI_NOT_FOUND:
return 0;
+ case EFI_DEVICE_ERROR:
+ return -EIO;
+ case EFI_SECURITY_VIOLATION:
+ return -EACCES;
default:
- return 1;
+ return -EINVAL;
}
}
@@ -147,6 +169,25 @@ void efi_char16_printk(efi_system_table_t *sys_table_arg,
out->output_string(out, str);
}
+static struct screen_info *setup_graphics(efi_system_table_t *sys_table_arg)
+{
+ efi_guid_t gop_proto = EFI_GRAPHICS_OUTPUT_PROTOCOL_GUID;
+ efi_status_t status;
+ unsigned long size;
+ void **gop_handle = NULL;
+ struct screen_info *si = NULL;
+
+ size = 0;
+ status = efi_call_early(locate_handle, EFI_LOCATE_BY_PROTOCOL,
+ &gop_proto, NULL, &size, gop_handle);
+ if (status == EFI_BUFFER_TOO_SMALL) {
+ si = alloc_screen_info(sys_table_arg);
+ if (!si)
+ return NULL;
+ efi_setup_gop(sys_table_arg, si, &gop_proto, size);
+ }
+ return si;
+}
/*
* This function handles the architcture specific differences between arm and
@@ -185,6 +226,8 @@ unsigned long efi_entry(void *handle, efi_system_table_t *sys_table,
efi_guid_t loaded_image_proto = LOADED_IMAGE_PROTOCOL_GUID;
unsigned long reserve_addr = 0;
unsigned long reserve_size = 0;
+ int secure_boot = 0;
+ struct screen_info *si;
/* Check if we were booted by the EFI firmware */
if (sys_table->hdr.signature != EFI_SYSTEM_TABLE_SIGNATURE)
@@ -237,6 +280,8 @@ unsigned long efi_entry(void *handle, efi_system_table_t *sys_table,
__nokaslr = true;
}
+ si = setup_graphics(sys_table);
+
status = handle_kernel_image(sys_table, image_addr, &image_size,
&reserve_addr,
&reserve_size,
@@ -250,12 +295,21 @@ unsigned long efi_entry(void *handle, efi_system_table_t *sys_table,
if (status != EFI_SUCCESS)
pr_efi_err(sys_table, "Failed to parse EFI cmdline options\n");
+ secure_boot = efi_get_secureboot(sys_table);
+ if (secure_boot > 0)
+ pr_efi(sys_table, "UEFI Secure Boot is enabled.\n");
+
+ if (secure_boot < 0) {
+ pr_efi_err(sys_table,
+ "could not determine UEFI Secure Boot status.\n");
+ }
+
/*
* Unauthenticated device tree data is a security hazard, so
* ignore 'dtb=' unless UEFI Secure Boot is disabled.
*/
- if (efi_secureboot_enabled(sys_table)) {
- pr_efi(sys_table, "UEFI Secure Boot is enabled.\n");
+ if (secure_boot != 0 && strstr(cmdline_ptr, "dtb=")) {
+ pr_efi(sys_table, "Ignoring DTB from command line.\n");
} else {
status = handle_cmdline_files(sys_table, image, cmdline_ptr,
"dtb=",
@@ -309,6 +363,7 @@ fail_free_image:
efi_free(sys_table, image_size, *image_addr);
efi_free(sys_table, reserve_size, reserve_addr);
fail_free_cmdline:
+ free_screen_info(sys_table, si);
efi_free(sys_table, cmdline_size, (unsigned long)cmdline_ptr);
fail:
return EFI_ERROR;
diff --git a/drivers/firmware/efi/libstub/arm32-stub.c b/drivers/firmware/efi/libstub/arm32-stub.c
index 6f42be4..e1f0b28 100644
--- a/drivers/firmware/efi/libstub/arm32-stub.c
+++ b/drivers/firmware/efi/libstub/arm32-stub.c
@@ -26,6 +26,43 @@ efi_status_t check_platform_features(efi_system_table_t *sys_table_arg)
return EFI_SUCCESS;
}
+static efi_guid_t screen_info_guid = LINUX_EFI_ARM_SCREEN_INFO_TABLE_GUID;
+
+struct screen_info *alloc_screen_info(efi_system_table_t *sys_table_arg)
+{
+ struct screen_info *si;
+ efi_status_t status;
+
+ /*
+ * Unlike on arm64, where we can directly fill out the screen_info
+ * structure from the stub, we need to allocate a buffer to hold
+ * its contents while we hand over to the kernel proper from the
+ * decompressor.
+ */
+ status = efi_call_early(allocate_pool, EFI_RUNTIME_SERVICES_DATA,
+ sizeof(*si), (void **)&si);
+
+ if (status != EFI_SUCCESS)
+ return NULL;
+
+ status = efi_call_early(install_configuration_table,
+ &screen_info_guid, si);
+ if (status == EFI_SUCCESS)
+ return si;
+
+ efi_call_early(free_pool, si);
+ return NULL;
+}
+
+void free_screen_info(efi_system_table_t *sys_table_arg, struct screen_info *si)
+{
+ if (!si)
+ return;
+
+ efi_call_early(install_configuration_table, &screen_info_guid, NULL);
+ efi_call_early(free_pool, si);
+}
+
efi_status_t handle_kernel_image(efi_system_table_t *sys_table,
unsigned long *image_addr,
unsigned long *image_size,
diff --git a/drivers/firmware/efi/libstub/arm64-stub.c b/drivers/firmware/efi/libstub/arm64-stub.c
index a90f645..eae693e 100644
--- a/drivers/firmware/efi/libstub/arm64-stub.c
+++ b/drivers/firmware/efi/libstub/arm64-stub.c
@@ -81,15 +81,24 @@ efi_status_t handle_kernel_image(efi_system_table_t *sys_table_arg,
if (IS_ENABLED(CONFIG_RANDOMIZE_BASE) && phys_seed != 0) {
/*
+ * If CONFIG_DEBUG_ALIGN_RODATA is not set, produce a
+ * displacement in the interval [0, MIN_KIMG_ALIGN) that
+ * is a multiple of the minimal segment alignment (SZ_64K)
+ */
+ u32 mask = (MIN_KIMG_ALIGN - 1) & ~(SZ_64K - 1);
+ u32 offset = !IS_ENABLED(CONFIG_DEBUG_ALIGN_RODATA) ?
+ (phys_seed >> 32) & mask : TEXT_OFFSET;
+
+ /*
* If KASLR is enabled, and we have some randomness available,
* locate the kernel at a randomized offset in physical memory.
*/
- *reserve_size = kernel_memsize + TEXT_OFFSET;
+ *reserve_size = kernel_memsize + offset;
status = efi_random_alloc(sys_table_arg, *reserve_size,
MIN_KIMG_ALIGN, reserve_addr,
- phys_seed);
+ (u32)phys_seed);
- *image_addr = *reserve_addr + TEXT_OFFSET;
+ *image_addr = *reserve_addr + offset;
} else {
/*
* Else, try a straight allocation at the preferred offset.
diff --git a/drivers/firmware/efi/libstub/efi-stub-helper.c b/drivers/firmware/efi/libstub/efi-stub-helper.c
index 29ed2f9..3bd127f9 100644
--- a/drivers/firmware/efi/libstub/efi-stub-helper.c
+++ b/drivers/firmware/efi/libstub/efi-stub-helper.c
@@ -125,10 +125,12 @@ unsigned long get_dram_base(efi_system_table_t *sys_table_arg)
map.map_end = map.map + map_size;
- for_each_efi_memory_desc(&map, md)
- if (md->attribute & EFI_MEMORY_WB)
+ for_each_efi_memory_desc_in_map(&map, md) {
+ if (md->attribute & EFI_MEMORY_WB) {
if (membase > md->phys_addr)
membase = md->phys_addr;
+ }
+ }
efi_call_early(free_pool, map.map);
diff --git a/drivers/firmware/efi/libstub/fdt.c b/drivers/firmware/efi/libstub/fdt.c
index 6dba78a..e58abfa 100644
--- a/drivers/firmware/efi/libstub/fdt.c
+++ b/drivers/firmware/efi/libstub/fdt.c
@@ -24,7 +24,7 @@ efi_status_t update_fdt(efi_system_table_t *sys_table, void *orig_fdt,
unsigned long map_size, unsigned long desc_size,
u32 desc_ver)
{
- int node, prev, num_rsv;
+ int node, num_rsv;
int status;
u32 fdt_val32;
u64 fdt_val64;
@@ -54,28 +54,6 @@ efi_status_t update_fdt(efi_system_table_t *sys_table, void *orig_fdt,
goto fdt_set_fail;
/*
- * Delete any memory nodes present. We must delete nodes which
- * early_init_dt_scan_memory may try to use.
- */
- prev = 0;
- for (;;) {
- const char *type;
- int len;
-
- node = fdt_next_node(fdt, prev, NULL);
- if (node < 0)
- break;
-
- type = fdt_getprop(fdt, node, "device_type", &len);
- if (type && strncmp(type, "memory", len) == 0) {
- fdt_del_node(fdt, node);
- continue;
- }
-
- prev = node;
- }
-
- /*
* Delete all memory reserve map entries. When booting via UEFI,
* kernel will use the UEFI memory map to find reserved regions.
*/
diff --git a/drivers/firmware/efi/libstub/gop.c b/drivers/firmware/efi/libstub/gop.c
new file mode 100644
index 0000000..932742e
--- /dev/null
+++ b/drivers/firmware/efi/libstub/gop.c
@@ -0,0 +1,354 @@
+/* -----------------------------------------------------------------------
+ *
+ * Copyright 2011 Intel Corporation; author Matt Fleming
+ *
+ * This file is part of the Linux kernel, and is made available under
+ * the terms of the GNU General Public License version 2.
+ *
+ * ----------------------------------------------------------------------- */
+
+#include <linux/efi.h>
+#include <linux/screen_info.h>
+#include <asm/efi.h>
+#include <asm/setup.h>
+
+static void find_bits(unsigned long mask, u8 *pos, u8 *size)
+{
+ u8 first, len;
+
+ first = 0;
+ len = 0;
+
+ if (mask) {
+ while (!(mask & 0x1)) {
+ mask = mask >> 1;
+ first++;
+ }
+
+ while (mask & 0x1) {
+ mask = mask >> 1;
+ len++;
+ }
+ }
+
+ *pos = first;
+ *size = len;
+}
+
+static void
+setup_pixel_info(struct screen_info *si, u32 pixels_per_scan_line,
+ struct efi_pixel_bitmask pixel_info, int pixel_format)
+{
+ if (pixel_format == PIXEL_RGB_RESERVED_8BIT_PER_COLOR) {
+ si->lfb_depth = 32;
+ si->lfb_linelength = pixels_per_scan_line * 4;
+ si->red_size = 8;
+ si->red_pos = 0;
+ si->green_size = 8;
+ si->green_pos = 8;
+ si->blue_size = 8;
+ si->blue_pos = 16;
+ si->rsvd_size = 8;
+ si->rsvd_pos = 24;
+ } else if (pixel_format == PIXEL_BGR_RESERVED_8BIT_PER_COLOR) {
+ si->lfb_depth = 32;
+ si->lfb_linelength = pixels_per_scan_line * 4;
+ si->red_size = 8;
+ si->red_pos = 16;
+ si->green_size = 8;
+ si->green_pos = 8;
+ si->blue_size = 8;
+ si->blue_pos = 0;
+ si->rsvd_size = 8;
+ si->rsvd_pos = 24;
+ } else if (pixel_format == PIXEL_BIT_MASK) {
+ find_bits(pixel_info.red_mask, &si->red_pos, &si->red_size);
+ find_bits(pixel_info.green_mask, &si->green_pos,
+ &si->green_size);
+ find_bits(pixel_info.blue_mask, &si->blue_pos, &si->blue_size);
+ find_bits(pixel_info.reserved_mask, &si->rsvd_pos,
+ &si->rsvd_size);
+ si->lfb_depth = si->red_size + si->green_size +
+ si->blue_size + si->rsvd_size;
+ si->lfb_linelength = (pixels_per_scan_line * si->lfb_depth) / 8;
+ } else {
+ si->lfb_depth = 4;
+ si->lfb_linelength = si->lfb_width / 2;
+ si->red_size = 0;
+ si->red_pos = 0;
+ si->green_size = 0;
+ si->green_pos = 0;
+ si->blue_size = 0;
+ si->blue_pos = 0;
+ si->rsvd_size = 0;
+ si->rsvd_pos = 0;
+ }
+}
+
+static efi_status_t
+__gop_query32(efi_system_table_t *sys_table_arg,
+ struct efi_graphics_output_protocol_32 *gop32,
+ struct efi_graphics_output_mode_info **info,
+ unsigned long *size, u64 *fb_base)
+{
+ struct efi_graphics_output_protocol_mode_32 *mode;
+ efi_graphics_output_protocol_query_mode query_mode;
+ efi_status_t status;
+ unsigned long m;
+
+ m = gop32->mode;
+ mode = (struct efi_graphics_output_protocol_mode_32 *)m;
+ query_mode = (void *)(unsigned long)gop32->query_mode;
+
+ status = __efi_call_early(query_mode, (void *)gop32, mode->mode, size,
+ info);
+ if (status != EFI_SUCCESS)
+ return status;
+
+ *fb_base = mode->frame_buffer_base;
+ return status;
+}
+
+static efi_status_t
+setup_gop32(efi_system_table_t *sys_table_arg, struct screen_info *si,
+ efi_guid_t *proto, unsigned long size, void **gop_handle)
+{
+ struct efi_graphics_output_protocol_32 *gop32, *first_gop;
+ unsigned long nr_gops;
+ u16 width, height;
+ u32 pixels_per_scan_line;
+ u32 ext_lfb_base;
+ u64 fb_base;
+ struct efi_pixel_bitmask pixel_info;
+ int pixel_format;
+ efi_status_t status = EFI_NOT_FOUND;
+ u32 *handles = (u32 *)(unsigned long)gop_handle;
+ int i;
+
+ first_gop = NULL;
+ gop32 = NULL;
+
+ nr_gops = size / sizeof(u32);
+ for (i = 0; i < nr_gops; i++) {
+ struct efi_graphics_output_mode_info *info = NULL;
+ efi_guid_t conout_proto = EFI_CONSOLE_OUT_DEVICE_GUID;
+ bool conout_found = false;
+ void *dummy = NULL;
+ efi_handle_t h = (efi_handle_t)(unsigned long)handles[i];
+ u64 current_fb_base;
+
+ status = efi_call_early(handle_protocol, h,
+ proto, (void **)&gop32);
+ if (status != EFI_SUCCESS)
+ continue;
+
+ status = efi_call_early(handle_protocol, h,
+ &conout_proto, &dummy);
+ if (status == EFI_SUCCESS)
+ conout_found = true;
+
+ status = __gop_query32(sys_table_arg, gop32, &info, &size,
+ &current_fb_base);
+ if (status == EFI_SUCCESS && (!first_gop || conout_found)) {
+ /*
+ * Systems that use the UEFI Console Splitter may
+ * provide multiple GOP devices, not all of which are
+ * backed by real hardware. The workaround is to search
+ * for a GOP implementing the ConOut protocol, and if
+ * one isn't found, to just fall back to the first GOP.
+ */
+ width = info->horizontal_resolution;
+ height = info->vertical_resolution;
+ pixel_format = info->pixel_format;
+ pixel_info = info->pixel_information;
+ pixels_per_scan_line = info->pixels_per_scan_line;
+ fb_base = current_fb_base;
+
+ /*
+ * Once we've found a GOP supporting ConOut,
+ * don't bother looking any further.
+ */
+ first_gop = gop32;
+ if (conout_found)
+ break;
+ }
+ }
+
+ /* Did we find any GOPs? */
+ if (!first_gop)
+ goto out;
+
+ /* EFI framebuffer */
+ si->orig_video_isVGA = VIDEO_TYPE_EFI;
+
+ si->lfb_width = width;
+ si->lfb_height = height;
+ si->lfb_base = fb_base;
+
+ ext_lfb_base = (u64)(unsigned long)fb_base >> 32;
+ if (ext_lfb_base) {
+ si->capabilities |= VIDEO_CAPABILITY_64BIT_BASE;
+ si->ext_lfb_base = ext_lfb_base;
+ }
+
+ si->pages = 1;
+
+ setup_pixel_info(si, pixels_per_scan_line, pixel_info, pixel_format);
+
+ si->lfb_size = si->lfb_linelength * si->lfb_height;
+
+ si->capabilities |= VIDEO_CAPABILITY_SKIP_QUIRKS;
+out:
+ return status;
+}
+
+static efi_status_t
+__gop_query64(efi_system_table_t *sys_table_arg,
+ struct efi_graphics_output_protocol_64 *gop64,
+ struct efi_graphics_output_mode_info **info,
+ unsigned long *size, u64 *fb_base)
+{
+ struct efi_graphics_output_protocol_mode_64 *mode;
+ efi_graphics_output_protocol_query_mode query_mode;
+ efi_status_t status;
+ unsigned long m;
+
+ m = gop64->mode;
+ mode = (struct efi_graphics_output_protocol_mode_64 *)m;
+ query_mode = (void *)(unsigned long)gop64->query_mode;
+
+ status = __efi_call_early(query_mode, (void *)gop64, mode->mode, size,
+ info);
+ if (status != EFI_SUCCESS)
+ return status;
+
+ *fb_base = mode->frame_buffer_base;
+ return status;
+}
+
+static efi_status_t
+setup_gop64(efi_system_table_t *sys_table_arg, struct screen_info *si,
+ efi_guid_t *proto, unsigned long size, void **gop_handle)
+{
+ struct efi_graphics_output_protocol_64 *gop64, *first_gop;
+ unsigned long nr_gops;
+ u16 width, height;
+ u32 pixels_per_scan_line;
+ u32 ext_lfb_base;
+ u64 fb_base;
+ struct efi_pixel_bitmask pixel_info;
+ int pixel_format;
+ efi_status_t status = EFI_NOT_FOUND;
+ u64 *handles = (u64 *)(unsigned long)gop_handle;
+ int i;
+
+ first_gop = NULL;
+ gop64 = NULL;
+
+ nr_gops = size / sizeof(u64);
+ for (i = 0; i < nr_gops; i++) {
+ struct efi_graphics_output_mode_info *info = NULL;
+ efi_guid_t conout_proto = EFI_CONSOLE_OUT_DEVICE_GUID;
+ bool conout_found = false;
+ void *dummy = NULL;
+ efi_handle_t h = (efi_handle_t)(unsigned long)handles[i];
+ u64 current_fb_base;
+
+ status = efi_call_early(handle_protocol, h,
+ proto, (void **)&gop64);
+ if (status != EFI_SUCCESS)
+ continue;
+
+ status = efi_call_early(handle_protocol, h,
+ &conout_proto, &dummy);
+ if (status == EFI_SUCCESS)
+ conout_found = true;
+
+ status = __gop_query64(sys_table_arg, gop64, &info, &size,
+ &current_fb_base);
+ if (status == EFI_SUCCESS && (!first_gop || conout_found)) {
+ /*
+ * Systems that use the UEFI Console Splitter may
+ * provide multiple GOP devices, not all of which are
+ * backed by real hardware. The workaround is to search
+ * for a GOP implementing the ConOut protocol, and if
+ * one isn't found, to just fall back to the first GOP.
+ */
+ width = info->horizontal_resolution;
+ height = info->vertical_resolution;
+ pixel_format = info->pixel_format;
+ pixel_info = info->pixel_information;
+ pixels_per_scan_line = info->pixels_per_scan_line;
+ fb_base = current_fb_base;
+
+ /*
+ * Once we've found a GOP supporting ConOut,
+ * don't bother looking any further.
+ */
+ first_gop = gop64;
+ if (conout_found)
+ break;
+ }
+ }
+
+ /* Did we find any GOPs? */
+ if (!first_gop)
+ goto out;
+
+ /* EFI framebuffer */
+ si->orig_video_isVGA = VIDEO_TYPE_EFI;
+
+ si->lfb_width = width;
+ si->lfb_height = height;
+ si->lfb_base = fb_base;
+
+ ext_lfb_base = (u64)(unsigned long)fb_base >> 32;
+ if (ext_lfb_base) {
+ si->capabilities |= VIDEO_CAPABILITY_64BIT_BASE;
+ si->ext_lfb_base = ext_lfb_base;
+ }
+
+ si->pages = 1;
+
+ setup_pixel_info(si, pixels_per_scan_line, pixel_info, pixel_format);
+
+ si->lfb_size = si->lfb_linelength * si->lfb_height;
+
+ si->capabilities |= VIDEO_CAPABILITY_SKIP_QUIRKS;
+out:
+ return status;
+}
+
+/*
+ * See if we have Graphics Output Protocol
+ */
+efi_status_t efi_setup_gop(efi_system_table_t *sys_table_arg,
+ struct screen_info *si, efi_guid_t *proto,
+ unsigned long size)
+{
+ efi_status_t status;
+ void **gop_handle = NULL;
+
+ status = efi_call_early(allocate_pool, EFI_LOADER_DATA,
+ size, (void **)&gop_handle);
+ if (status != EFI_SUCCESS)
+ return status;
+
+ status = efi_call_early(locate_handle,
+ EFI_LOCATE_BY_PROTOCOL,
+ proto, NULL, &size, gop_handle);
+ if (status != EFI_SUCCESS)
+ goto free_handle;
+
+ if (efi_is_64bit()) {
+ status = setup_gop64(sys_table_arg, si, proto, size,
+ gop_handle);
+ } else {
+ status = setup_gop32(sys_table_arg, si, proto, size,
+ gop_handle);
+ }
+
+free_handle:
+ efi_call_early(free_pool, gop_handle);
+ return status;
+}
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