From patchwork Mon Aug 5 21:51:20 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wolfram Sang X-Patchwork-Id: 13754194 Received: from mail.zeus03.de (zeus03.de [194.117.254.33]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 28C5616B749 for ; Mon, 5 Aug 2024 21:51:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=194.117.254.33 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722894701; cv=none; b=L9+IbRoIxK0aN1K/1gHG3lzHTnVUROJJ0QLO27g4crpRYj3YWmBS1iUrMdg3TCW3+lk+RmugnNVUtbNQfBevXZCht+mOnrMykoWAWyaa9r1PWMnTac+d+yh3IU0cagBh0SDRBVwHIXoMdckEFL9uydqINin4MNj10bmQGIa5EIQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722894701; c=relaxed/simple; bh=LZYhrkyc1RQuEk08+xPPpf7DwI8WSA8aMxgUobeQYbw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=hLLvrWWSX4TQ8HjDfn8gAvIeAKBZ+P8/b3+k/bfqv9TZje2kUnj43Ic4R9KGgbAv9lGlPpLlG9kVsrg4vk4H2CH8RdPjtH49DVAa+2m5FdPQfL9owq1InQwdT64xPKgBnpBt8xYJmWrXSkQTNBGjjmaBb+CKkohJEa8TjAodhpk= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=sang-engineering.com; spf=pass smtp.mailfrom=sang-engineering.com; dkim=pass (2048-bit key) header.d=sang-engineering.com header.i=@sang-engineering.com header.b=b6vlhH2y; arc=none smtp.client-ip=194.117.254.33 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=sang-engineering.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=sang-engineering.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=sang-engineering.com header.i=@sang-engineering.com header.b="b6vlhH2y" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= sang-engineering.com; h=from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-transfer-encoding; s=k1; bh=61SJjG4DfvMnVp2bdP5k8l8MGNPVIUcfz8ktix2R7dI=; b=b6vlhH 2yWlciBzJOGLlQu2ShEZRtLn6f3vxwseDLhOn7kO+KytDnRBFVrAo9UYHUVLo3PN uETy3ClfqY28uXg8u73CYeE55reruvX00bJRskE5zp485rOumrq7jW4/suiQ0VWs Uxrd0MmO+5xGM/Ql2a9NGoyJN02QSNqqjrOHyZn8D/KxglnA9iEP3r0jbjFPJ543 qJbbyJypcE0SclY9sKhvHKgnuoX24BOHgXH8RGoxX86N/goKnbfPyZ2vlTZgFat2 8b3xTN+k5GhbsiI/7EbW+wFvMssE5fYglZslJOCfi20DevO3a3Z/HsZQKCAnG/NG jNKDu3VGmMqvvQcw== Received: (qmail 18275 invoked from network); 5 Aug 2024 23:51:32 +0200 Received: by mail.zeus03.de with ESMTPSA (TLS_AES_256_GCM_SHA384 encrypted, authenticated); 5 Aug 2024 23:51:32 +0200 X-UD-Smtp-Session: l3s3148p1@x8AcrvYeAptehhYC From: Wolfram Sang To: linux-media@vger.kernel.org Cc: Wolfram Sang , Thierry Reding , Dmitry Osipenko , Mauro Carvalho Chehab , Thierry Reding , Jonathan Hunter , linux-tegra@vger.kernel.org Subject: [PATCH v2 7/8] media: tegra-vde: use 'time_left' variable with wait_for_completion_interruptible_timeout() Date: Mon, 5 Aug 2024 23:51:20 +0200 Message-ID: <20240805215123.3528-8-wsa+renesas@sang-engineering.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240805215123.3528-1-wsa+renesas@sang-engineering.com> References: <20240805215123.3528-1-wsa+renesas@sang-engineering.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 There is a confusing pattern in the kernel to use a variable named 'timeout' to store the result of wait_for_completion_interruptible_timeout() causing patterns like: timeout = wait_for_completion_interruptible_timeout(...) if (!timeout) return -ETIMEDOUT; with all kinds of permutations. Use 'time_left' as a variable to make the code self explaining. Signed-off-by: Wolfram Sang Acked-by: Thierry Reding --- Change since v1: added tag drivers/media/platform/nvidia/tegra-vde/h264.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/media/platform/nvidia/tegra-vde/h264.c b/drivers/media/platform/nvidia/tegra-vde/h264.c index d8812fc06c67..0e56a4331b0d 100644 --- a/drivers/media/platform/nvidia/tegra-vde/h264.c +++ b/drivers/media/platform/nvidia/tegra-vde/h264.c @@ -623,14 +623,14 @@ static int tegra_vde_decode_end(struct tegra_vde *vde) unsigned int read_bytes, macroblocks_nb; struct device *dev = vde->dev; dma_addr_t bsev_ptr; - long timeout; + long time_left; int ret; - timeout = wait_for_completion_interruptible_timeout( + time_left = wait_for_completion_interruptible_timeout( &vde->decode_completion, msecs_to_jiffies(1000)); - if (timeout < 0) { - ret = timeout; - } else if (timeout == 0) { + if (time_left < 0) { + ret = time_left; + } else if (time_left == 0) { bsev_ptr = tegra_vde_readl(vde, vde->bsev, 0x10); macroblocks_nb = tegra_vde_readl(vde, vde->sxe, 0xC8) & 0x1FFF; read_bytes = bsev_ptr ? bsev_ptr - vde->bitstream_data_addr : 0;