From 49771c6dccb28228839b5e88ada36bd6646bf933 Mon Sep 17 00:00:00 2001
From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Date: Mon, 6 Jul 2020 13:59:19 +0300
Subject: libcamera: ipa_proxy: Allow stop() on a stopped IPA
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To make error handling easier in callers, allow the stop() function to
be called when the proxy is already stopped, or not started yet.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
---
 src/libcamera/proxy/ipa_proxy_thread.cpp | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'src/libcamera/proxy')

diff --git a/src/libcamera/proxy/ipa_proxy_thread.cpp b/src/libcamera/proxy/ipa_proxy_thread.cpp
index aa403e22..eead2883 100644
--- a/src/libcamera/proxy/ipa_proxy_thread.cpp
+++ b/src/libcamera/proxy/ipa_proxy_thread.cpp
@@ -121,6 +121,9 @@ int IPAProxyThread::start()
 
 void IPAProxyThread::stop()
 {
+	if (!running_)
+		return;
+
 	running_ = false;
 
 	proxy_.invokeMethod(&ThreadProxy::stop, ConnectionTypeBlocking);
-- 
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