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efi_loader: simplify accessing variables

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Use efi_get_variable_int() instead of EFI_CALL(RT->get_variable()).
Use efi_set_variable_int() instead of EFI_CALL(efi_set_variable()).

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Tested-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
This commit is contained in:
Heinrich Schuchardt 2021-05-24 11:10:59 +02:00
parent 2ecee31017
commit acfe1def3f
1 changed files with 18 additions and 15 deletions
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33
cmd/efidebug.c
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@ -12,6 +12,7 @@
#include <efi_load_initrd.h>
#include <efi_loader.h>
#include <efi_rng.h>
#include <efi_variable.h>
#include <exports.h>
#include <hexdump.h>
#include <log.h>
@ -239,8 +240,9 @@ static int do_efi_capsule_res(struct cmd_tbl *cmdtp, int flag,
guid = efi_guid_capsule_report;
if (argc == 1) {
size = sizeof(var_name16);
ret = EFI_CALL(RT->get_variable(L"CapsuleLast", &guid, NULL,
&size, var_name16));
ret = efi_get_variable_int(L"CapsuleLast", &guid, NULL,
&size, var_name16, NULL);
if (ret != EFI_SUCCESS) {
if (ret == EFI_NOT_FOUND)
printf("CapsuleLast doesn't exist\n");
@ -263,13 +265,13 @@ static int do_efi_capsule_res(struct cmd_tbl *cmdtp, int flag,
}
size = 0;
ret = EFI_CALL(RT->get_variable(var_name16, &guid, NULL, &size, NULL));
ret = efi_get_variable_int(var_name16, &guid, NULL, &size, NULL, NULL);
if (ret == EFI_BUFFER_TOO_SMALL) {
result = malloc(size);
if (!result)
return CMD_RET_FAILURE;
ret = EFI_CALL(RT->get_variable(var_name16, &guid, NULL, &size,
result));
ret = efi_get_variable_int(var_name16, &guid, NULL, &size,
result, NULL);
}
if (ret != EFI_SUCCESS) {
free(result);
@ -1062,11 +1064,11 @@ static int do_efi_boot_add(struct cmd_tbl *cmdtp, int flag,
goto out;
}
ret = EFI_CALL(efi_set_variable(var_name16, &guid,
EFI_VARIABLE_NON_VOLATILE |
EFI_VARIABLE_BOOTSERVICE_ACCESS |
EFI_VARIABLE_RUNTIME_ACCESS,
size, data));
ret = efi_set_variable_int(var_name16, &guid,
EFI_VARIABLE_NON_VOLATILE |
EFI_VARIABLE_BOOTSERVICE_ACCESS |
EFI_VARIABLE_RUNTIME_ACCESS,
size, data, false);
if (ret != EFI_SUCCESS) {
printf("Cannot set %ls\n", var_name16);
r = CMD_RET_FAILURE;
@ -1117,7 +1119,8 @@ static int do_efi_boot_rm(struct cmd_tbl *cmdtp, int flag,
efi_create_indexed_name(var_name16, sizeof(var_name16),
"Boot", id);
ret = EFI_CALL(efi_set_variable(var_name16, &guid, 0, 0, NULL));
ret = efi_set_variable_int(var_name16, &guid, 0, 0, NULL,
false);
if (ret) {
printf("Cannot remove %ls\n", var_name16);
return CMD_RET_FAILURE;
@ -1416,11 +1419,11 @@ static int do_efi_boot_next(struct cmd_tbl *cmdtp, int flag,
guid = efi_global_variable_guid;
size = sizeof(u16);
ret = EFI_CALL(efi_set_variable(L"BootNext", &guid,
ret = efi_set_variable_int(L"BootNext", &guid,
EFI_VARIABLE_NON_VOLATILE |
EFI_VARIABLE_BOOTSERVICE_ACCESS |
EFI_VARIABLE_RUNTIME_ACCESS,
size, &bootnext));
size, &bootnext, false);
if (ret != EFI_SUCCESS) {
printf("Cannot set BootNext\n");
r = CMD_RET_FAILURE;
@ -1477,11 +1480,11 @@ static int do_efi_boot_order(struct cmd_tbl *cmdtp, int flag,
}
guid = efi_global_variable_guid;
ret = EFI_CALL(efi_set_variable(L"BootOrder", &guid,
ret = efi_set_variable_int(L"BootOrder", &guid,
EFI_VARIABLE_NON_VOLATILE |
EFI_VARIABLE_BOOTSERVICE_ACCESS |
EFI_VARIABLE_RUNTIME_ACCESS,
size, bootorder));
size, bootorder, true);
if (ret != EFI_SUCCESS) {
printf("Cannot set BootOrder\n");
r = CMD_RET_FAILURE;