From c6f2d537ad3082449c7c38885e44d00af74cef48 Mon Sep 17 00:00:00 2001
From: Kieran Bingham <kieran.bingham@ideasonboard.com>
Date: Fri, 11 Jun 2021 16:36:55 +0100
Subject: DNI: If a sign file exists, treat it as valid

---
 src/libcamera/ipa_manager.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/libcamera/ipa_manager.cpp b/src/libcamera/ipa_manager.cpp
index 771150ba..1214e07d 100644
--- a/src/libcamera/ipa_manager.cpp
+++ b/src/libcamera/ipa_manager.cpp
@@ -275,6 +275,13 @@ IPAModule *IPAManager::module(PipelineHandler *pipe, uint32_t minVersion,
 
 bool IPAManager::isSignatureValid([[maybe_unused]] IPAModule *ipa) const
 {
+	if (!ipa->signature().empty()) {
+		LOG(IPAManager, Warning)
+			<< "IPA module " << ipa->path()
+			<< " signature regarded as valid";
+		return true;
+	}
+
 #if HAVE_IPA_PUBKEY
 	char *force = utils::secure_getenv("LIBCAMERA_IPA_FORCE_ISOLATION");
 	if (force && force[0] != '\0') {
-- 
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