efi_loader: set CapsuleMax from CONFIG_EFI_CAPSULE_MAX
Adds CONFIG_EFI_CAPSULE_MAX to configure the max index value used in
EFI capsule reports. Prior to this change is the hard coded value was
65535 which would exceed available storage for variables. Now the
default value is 15 which should work fine with most systems.
Signed-off-by: Etienne Carriere <etienne.carriere@linaro.org>
diff --git a/lib/efi_loader/efi_setup.c b/lib/efi_loader/efi_setup.c
index 69aaefa..58d4e13 100644
--- a/lib/efi_loader/efi_setup.c
+++ b/lib/efi_loader/efi_setup.c
@@ -130,12 +130,17 @@
efi_status_t ret = EFI_SUCCESS;
if (IS_ENABLED(CONFIG_EFI_HAVE_CAPSULE_SUPPORT)) {
+ u16 var_name16[12];
+
+ efi_create_indexed_name(var_name16, sizeof(var_name16),
+ "Capsule", CONFIG_EFI_CAPSULE_MAX);
+
ret = efi_set_variable_int(u"CapsuleMax",
&efi_guid_capsule_report,
EFI_VARIABLE_READ_ONLY |
EFI_VARIABLE_BOOTSERVICE_ACCESS |
EFI_VARIABLE_RUNTIME_ACCESS,
- 22, u"CapsuleFFFF", false);
+ 22, var_name16, false);
if (ret != EFI_SUCCESS)
printf("EFI: cannot initialize CapsuleMax variable\n");
}