{"id":23466,"url":"https://patchwork.libcamera.org/api/1.1/patches/23466/?format=json","web_url":"https://patchwork.libcamera.org/patch/23466/","project":{"id":1,"url":"https://patchwork.libcamera.org/api/1.1/projects/1/?format=json","name":"libcamera","link_name":"libcamera","list_id":"libcamera_core","list_email":"libcamera-devel@lists.libcamera.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20250604130741.9228-6-laurent.pinchart@ideasonboard.com>","date":"2025-06-04T13:07:39","name":"[v2,5/7] gstreamer: Fix leak of GstQuery and GstBufferPool in error path","commit_ref":null,"pull_url":null,"state":"accepted","archived":false,"hash":"4231145521a03e2886b74f630bdc6a9334eec37d","submitter":{"id":2,"url":"https://patchwork.libcamera.org/api/1.1/people/2/?format=json","name":"Laurent Pinchart","email":"laurent.pinchart@ideasonboard.com"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/23466/mbox/","series":[{"id":5204,"url":"https://patchwork.libcamera.org/api/1.1/series/5204/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=5204","date":"2025-06-04T13:07:34","name":"gstreamer: Miscellaneous cleanups + two fixes","version":2,"mbox":"https://patchwork.libcamera.org/series/5204/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/23466/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/23466/checks/","tags":{},"headers":{"Return-Path":"<libcamera-devel-bounces@lists.libcamera.org>","X-Original-To":"parsemail@patchwork.libcamera.org","Delivered-To":"parsemail@patchwork.libcamera.org","Received":["from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id 9422DC3324\n\tfor <parsemail@patchwork.libcamera.org>;\n\tWed,  4 Jun 2025 13:08:06 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 6519D68DCE;\n\tWed,  4 Jun 2025 15:08:03 +0200 (CEST)","from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 4ED3D68DBF\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tWed,  4 Jun 2025 15:07:58 +0200 (CEST)","from pendragon.ideasonboard.com (81-175-209-231.bb.dnainternet.fi\n\t[81.175.209.231])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 484C5E9B;\n\tWed,  4 Jun 2025 15:07:55 +0200 (CEST)"],"Authentication-Results":"lancelot.ideasonboard.com; dkim=pass (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"wdbVlFq+\"; dkim-atps=neutral","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1749042475;\n\tbh=QWQ2kK76rVWquzW+ySsOqLsdhZGBy2YrMXigCm1Rr/I=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=wdbVlFq+gLLbKVJDIrfAYrDMzNFoAU5QcCg9zOlS+3nky9/reASnuxbvGp9aMrW43\n\t6gCzj3noqAWm20zDe9MXpgDIGPzLGV1WCpnup+r/hs4+Dpbom59bsdedo7Z4i1Tc5z\n\t+K+Ld7tjSwJgc+f4pYau0O/JGPSxu0Nip82ObDUI=","From":"Laurent Pinchart <laurent.pinchart@ideasonboard.com>","To":"libcamera-devel@lists.libcamera.org","Cc":"Hou Qi <qi.hou@nxp.com>,\n\tNicolas Dufresne <nicolas.dufresne@collabora.com>","Subject":"[PATCH v2 5/7] gstreamer: Fix leak of GstQuery and GstBufferPool in\n\terror path","Date":"Wed,  4 Jun 2025 16:07:39 +0300","Message-ID":"<20250604130741.9228-6-laurent.pinchart@ideasonboard.com>","X-Mailer":"git-send-email 2.49.0","In-Reply-To":"<20250604130741.9228-1-laurent.pinchart@ideasonboard.com>","References":"<20250604130741.9228-1-laurent.pinchart@ideasonboard.com>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"<libcamera-devel.lists.libcamera.org>","List-Unsubscribe":"<https://lists.libcamera.org/options/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=unsubscribe>","List-Archive":"<https://lists.libcamera.org/pipermail/libcamera-devel/>","List-Post":"<mailto:libcamera-devel@lists.libcamera.org>","List-Help":"<mailto:libcamera-devel-request@lists.libcamera.org?subject=help>","List-Subscribe":"<https://lists.libcamera.org/listinfo/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=subscribe>","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>"},"content":"The gst_libcamera_create_video_pool() function leaks a GstQuery instance\nand a GstBufferPool instance in an error path. Fix the leaks with\ng_autoptr().\n\nSigned-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>\n---\n src/gstreamer/gstlibcamerasrc.cpp | 7 +++----\n 1 file changed, 3 insertions(+), 4 deletions(-)","diff":"diff --git a/src/gstreamer/gstlibcamerasrc.cpp b/src/gstreamer/gstlibcamerasrc.cpp\nindex 9c0ee491ab63..0be64dd836ca 100644\n--- a/src/gstreamer/gstlibcamerasrc.cpp\n+++ b/src/gstreamer/gstlibcamerasrc.cpp\n@@ -541,9 +541,9 @@ static std::tuple<GstBufferPool *, int>\n gst_libcamera_create_video_pool(GstLibcameraSrc *self, GstPad *srcpad,\n \t\t\t\tGstCaps *caps, const GstVideoInfo *info)\n {\n-\tGstQuery *query = NULL;\n+\tg_autoptr(GstQuery) query = NULL;\n+\tg_autoptr(GstBufferPool) pool = NULL;\n \tconst gboolean need_pool = true;\n-\tGstBufferPool *pool = NULL;\n \n \t/*\n \t * Get the peer allocation hints to check if it supports the meta API.\n@@ -587,8 +587,7 @@ gst_libcamera_create_video_pool(GstLibcameraSrc *self, GstPad *srcpad,\n \t\treturn { NULL, -EINVAL };\n \t}\n \n-\tgst_query_unref(query);\n-\treturn { pool, 0 };\n+\treturn { reinterpret_cast<GstBufferPool *>(g_steal_pointer(&pool)), 0 };\n }\n \n /* Must be called with stream_lock held. */\n","prefixes":["v2","5/7"]}