From patchwork Wed Aug 21 01:21:34 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: lizetao X-Patchwork-Id: 13770686 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) (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 A1838EEBA for ; Wed, 21 Aug 2024 01:14:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.249.212.188 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724202849; cv=none; b=mRYFaCLqIEiyhOEbfFbSViORSMy08DccRxtaEiPjdeh5+gVlX15golX/t38YTL5LQ+cqY7aa9kUXznRrwp7V6FB9atjqxg+F7uWPT3TfNpHmMKITj+pEphwttP7GhaMwzkDQiTS+J90StsXli31BNdmONh7ef0YWxMe3TjSEKm0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724202849; c=relaxed/simple; bh=Mrl40UjWDdzgZ+Jb/LHew4cNs8Zzx6ZyicJES1WxU4g=; h=From:To:CC:Subject:Date:Message-ID:MIME-Version:Content-Type; b=WoL6vcy1CgqyTP2RpBKyMf+iVB86FVdvDI2wxcy/fU44BplJJuYgSbvQAnOg2xt9DW9oKhkZlxDXQWIqSdpXkX5NywpSjsw0Vq8FoSETvtVgXgR3JdjhFhEz4zXGFPAA3Cg7LnoSPZl5+zXcpK1xlZNjaiFvhnrS/GyKOBIItWY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com; spf=pass smtp.mailfrom=huawei.com; arc=none smtp.client-ip=45.249.212.188 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huawei.com Received: from mail.maildlp.com (unknown [172.19.162.254]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4WpSwg1LJzzhXvK; Wed, 21 Aug 2024 09:12:03 +0800 (CST) Received: from kwepemd500012.china.huawei.com (unknown [7.221.188.25]) by mail.maildlp.com (Postfix) with ESMTPS id 88BFA180101; Wed, 21 Aug 2024 09:14:03 +0800 (CST) Received: from huawei.com (10.90.53.73) by kwepemd500012.china.huawei.com (7.221.188.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1258.34; Wed, 21 Aug 2024 09:14:02 +0800 From: Li Zetao To: , , , , , , , CC: , , , Subject: [PATCH -next] drm/msm/adreno: Use kvmemdup to simplify the code Date: Wed, 21 Aug 2024 09:21:34 +0800 Message-ID: <20240821012134.1947547-1-lizetao1@huawei.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To kwepemd500012.china.huawei.com (7.221.188.25) Use kvmemdup instead of kvmalloc() + memcpy() to simplify the code. No functional change intended. Signed-off-by: Li Zetao Reviewed-by: Akhil P Oommen --- drivers/gpu/drm/msm/adreno/adreno_gpu.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c index 1c6626747b98..ef473ac88159 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c @@ -688,11 +688,9 @@ int adreno_gpu_state_get(struct msm_gpu *gpu, struct msm_gpu_state *state) size = j + 1; if (size) { - state->ring[i].data = kvmalloc(size << 2, GFP_KERNEL); - if (state->ring[i].data) { - memcpy(state->ring[i].data, gpu->rb[i]->start, size << 2); + state->ring[i].data = kvmemdup(gpu->rb[i]->start, size << 2, GFP_KERNEL); + if (state->ring[i].data) state->ring[i].data_size = size << 2; - } } }