From patchwork Tue Jan 2 10:19:37 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zhenhua Huang X-Patchwork-Id: 13508946 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) (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 191A6DDA8; Tue, 2 Jan 2024 10:19:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=quicinc.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=quicinc.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b="CgQBf/r4" Received: from pps.filterd (m0279865.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.24/8.17.1.24) with ESMTP id 40290BDM008490; Tue, 2 Jan 2024 10:19:49 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h= from:to:cc:subject:date:message-id:mime-version:content-type; s= qcppdkim1; bh=TKE+z7MPL99KH0FwSMGY0U4EYmicn6R6cs3c3zAd4uk=; b=Cg QBf/r4U7yqcSmpSVjrtBmzkchJ8M+63B72sBm5Y1IMkHjbB3xdjbAYoTiWfsiHMl COLe0hLdLN5/xw1SjU26kWLVjZQN5eFnBxaMsPaa3sToeJvXZISYz0qRJYs2Ghn1 h1xS2bzRdPKmcw47VwMIsAVbfJHsm6H+oq8hwAPG61QLFTOTLs3bpE68ynme88bt IuOCYEEqU0PeyXX1tjzWaBBE1MaR5fjcEaTCU9l9/738ZiTcLHuHTI5OHSDlhZkm qECaYAsRomGqeJjoXZ7ZvaiTv0uZ2dMu00755LdELgPmz+9AuSHb5gowHebVTOFP I7HbBj5fFmfoehIMp07g== Received: from nalasppmta04.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3vcets86f3-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 02 Jan 2024 10:19:49 +0000 (GMT) Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA04.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 402AJmfg017016 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 2 Jan 2024 10:19:48 GMT Received: from zhenhuah-gv.qualcomm.com (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.40; Tue, 2 Jan 2024 02:19:46 -0800 From: Zhenhua Huang To: CC: , , , , , Zhenhua Huang Subject: [PATCH 1/1] fs/proc: remove redudant comments from /proc/bootconfig Date: Tue, 2 Jan 2024 18:19:37 +0800 Message-ID: <1704190777-26430-1-git-send-email-quic_zhenhuah@quicinc.com> X-Mailer: git-send-email 2.7.4 Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: IaT6njKLW-3z3epJRkiol-xdoAyFzQ0r X-Proofpoint-GUID: IaT6njKLW-3z3epJRkiol-xdoAyFzQ0r X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.997,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-12-09_01,2023-12-07_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 suspectscore=0 bulkscore=0 clxscore=1011 priorityscore=1501 spamscore=0 lowpriorityscore=0 phishscore=0 malwarescore=0 mlxlogscore=999 adultscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2311290000 definitions=main-2401020078 commit 717c7c894d4b ("fs/proc: Add boot loader arguments as comment to /proc/bootconfig") adds bootloader argument comments into /proc/bootconfig. /proc/bootconfig shows boot_command_line[] multiple times following every xbc key value pair, that's duplicated and not necessary. Remove redundant ones. Output before and after the fix is like: key1 = value1 *bootloader argument comments* key2 = value2 *bootloader argument comments* key3 = value3 *bootloader argument comments* ... key1 = value1 key2 = value2 key3 = value3 *bootloader argument comments* ... Fixes: 717c7c894d4b ("fs/proc: Add boot loader arguments as comment to /proc/bootconfig") Signed-off-by: Zhenhua Huang Reviewed-by: Steven Rostedt (Google) Reviewed-by: Paul E. McKenney Tested-by: Paul E. McKenney --- fs/proc/bootconfig.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/fs/proc/bootconfig.c b/fs/proc/bootconfig.c index 902b326..e5635a6 100644 --- a/fs/proc/bootconfig.c +++ b/fs/proc/bootconfig.c @@ -62,12 +62,12 @@ static int __init copy_xbc_key_value_list(char *dst, size_t size) break; dst += ret; } - if (ret >= 0 && boot_command_line[0]) { - ret = snprintf(dst, rest(dst, end), "# Parameters from bootloader:\n# %s\n", - boot_command_line); - if (ret > 0) - dst += ret; - } + } + if (ret >= 0 && boot_command_line[0]) { + ret = snprintf(dst, rest(dst, end), "# Parameters from bootloader:\n# %s\n", + boot_command_line); + if (ret > 0) + dst += ret; } out: kfree(key);