From patchwork Wed Feb 20 14:37:34 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Niklas_S=C3=B6derlund?= X-Patchwork-Id: 596 Return-Path: Received: from vsp-unauthed02.binero.net (vsp-unauthed02.binero.net [195.74.38.227]) by lancelot.ideasonboard.com (Postfix) with ESMTPS id 5CC90600FF for ; Wed, 20 Feb 2019 15:38:49 +0100 (CET) X-Halon-ID: 3a18f3d9-351d-11e9-b530-005056917a89 Authorized-sender: niklas@soderlund.pp.se Received: from bismarck.berto.se (unknown [89.233.230.99]) by bin-vsp-out-01.atm.binero.net (Halon) with ESMTPA id 3a18f3d9-351d-11e9-b530-005056917a89; Wed, 20 Feb 2019 15:38:46 +0100 (CET) From: =?utf-8?q?Niklas_S=C3=B6derlund?= To: libcamera-devel@lists.libcamera.org Date: Wed, 20 Feb 2019 15:37:34 +0100 Message-Id: <20190220143736.529-3-niklas.soderlund@ragnatech.se> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190220143736.529-1-niklas.soderlund@ragnatech.se> References: <20190220143736.529-1-niklas.soderlund@ragnatech.se> MIME-Version: 1.0 Subject: [libcamera-devel] [PATCH 2/4] cam: improve error checking when capturing X-BeenThere: libcamera-devel@lists.libcamera.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 20 Feb 2019 14:38:49 -0000 The return value when start() and stop() the camera should be checked and handled. Signed-off-by: Niklas Söderlund Reviewed-by: Laurent Pinchart --- src/cam/main.cpp | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/src/cam/main.cpp b/src/cam/main.cpp index b034eb25429abeb3..30267970a2c8485f 100644 --- a/src/cam/main.cpp +++ b/src/cam/main.cpp @@ -183,11 +183,18 @@ static int capture() } std::cout << "Capture until user interrupts by SIGINT" << std::endl; - camera->start(); + + ret = camera->start(); + if (ret) { + std::cout << "Failed to start capture" << std::endl; + goto out; + } ret = loop->exec(); - camera->stop(); + ret = camera->stop(); + if (ret) + std::cout << "Failed to stop capture" << std::endl; out: camera->freeBuffers();