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efi_loader: implement InstallMultipleProtocolInterfaces

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Implement InstallMultipleProtocolInterfaces in function
efi_install_multiple_protocol_interfaces by repeatedly
calling efi_install_protocol_interface.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
xypron.glpk@gmx.de 2017-07-11 22:06:20 +02:00 committed by Alexander Graf
parent 3d8e145608
commit 58b8358606
1 changed files with 38 additions and 1 deletions
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39
lib/efi_loader/efi_boottime.c
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@ -783,7 +783,44 @@ static efi_status_t EFIAPI efi_install_multiple_protocol_interfaces(
void **handle, ...)
{
EFI_ENTRY("%p", handle);
return EFI_EXIT(EFI_OUT_OF_RESOURCES);
va_list argptr;
efi_guid_t *protocol;
void *protocol_interface;
efi_status_t r = EFI_SUCCESS;
int i = 0;
if (!handle)
return EFI_EXIT(EFI_INVALID_PARAMETER);
va_start(argptr, handle);
for (;;) {
protocol = va_arg(argptr, efi_guid_t*);
if (!protocol)
break;
protocol_interface = va_arg(argptr, void*);
r = efi_install_protocol_interface(handle, protocol,
EFI_NATIVE_INTERFACE,
protocol_interface);
if (r != EFI_SUCCESS)
break;
i++;
}
va_end(argptr);
if (r == EFI_SUCCESS)
return EFI_EXIT(r);
/* If an error occured undo all changes. */
va_start(argptr, handle);
for (; i; --i) {
protocol = va_arg(argptr, efi_guid_t*);
protocol_interface = va_arg(argptr, void*);
efi_uninstall_protocol_interface(handle, protocol,
protocol_interface);
}
va_end(argptr);
return EFI_EXIT(r);
}
static efi_status_t EFIAPI efi_uninstall_multiple_protocol_interfaces(