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cmd: simplify do_env_set_efi()

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Use efi_convert_string() to convert a UTF-8 to a UTF-16 string.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
This commit is contained in:
Heinrich Schuchardt 2022-10-06 06:52:51 +02:00
parent 39434a9b25
commit 57b2d300af
1 changed files with 3 additions and 8 deletions
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11
cmd/nvedit_efi.c
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@ -382,8 +382,7 @@ int do_env_set_efi(struct cmd_tbl *cmdtp, int flag, int argc,
efi_guid_t guid;
u32 attributes;
bool default_guid, verbose, value_on_memory;
u16 *var_name16 = NULL, *p;
size_t len;
u16 *var_name16;
efi_status_t ret;
if (argc == 1)
@ -487,18 +486,15 @@ int do_env_set_efi(struct cmd_tbl *cmdtp, int flag, int argc,
16, 1, value, size, true);
}
len = utf8_utf16_strnlen(var_name, strlen(var_name));
var_name16 = malloc((len + 1) * 2);
var_name16 = efi_convert_string(var_name);
if (!var_name16) {
printf("## Out of memory\n");
ret = CMD_RET_FAILURE;
goto out;
}
p = var_name16;
utf8_utf16_strncpy(&p, var_name, len + 1);
ret = efi_set_variable_int(var_name16, &guid, attributes, size, value,
true);
free(var_name16);
unmap_sysmem(value);
if (ret == EFI_SUCCESS) {
ret = CMD_RET_SUCCESS;
@ -533,7 +529,6 @@ out:
unmap_sysmem(value);
else
free(value);
free(var_name16);
return ret;
}