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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Mon, 15 Apr 2019 18:15:03 +0100 Received: from b06wcsmtp001.portsmouth.uk.ibm.com (b06wcsmtp001.portsmouth.uk.ibm.com [9.149.105.160]) by b06cxnps3074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x3FHF2MX59834368 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 15 Apr 2019 17:15:02 GMT Received: from b06wcsmtp001.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id B1876A4060; Mon, 15 Apr 2019 17:15:02 +0000 (GMT) Received: from b06wcsmtp001.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 75814A405F; Mon, 15 Apr 2019 17:15:02 +0000 (GMT) Received: from tuxmaker.boeblingen.de.ibm.com (unknown [9.152.85.9]) by b06wcsmtp001.portsmouth.uk.ibm.com (Postfix) with ESMTPS; Mon, 15 Apr 2019 17:15:02 +0000 (GMT) From: Gerald Schaefer To: "David S . Miller" Cc: netdev@vger.kernel.org, Ard Biesheuvel , Martin Schwidefsky , Heiko Carstens , Gerald Schaefer Subject: [PATCH 1/1] net/core: work around section mismatch warning for ptp_classifier Date: Mon, 15 Apr 2019 19:14:45 +0200 X-Mailer: git-send-email 2.16.4 In-Reply-To: <20190415171445.15534-1-gerald.schaefer@de.ibm.com> References: <20190415171445.15534-1-gerald.schaefer@de.ibm.com> X-TM-AS-GCONF: 00 x-cbid: 19041517-0008-0000-0000-000002DA1281 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19041517-0009-0000-0000-0000224647B9 Message-Id: <20190415171445.15534-2-gerald.schaefer@de.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-04-15_07:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1011 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=755 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1904150119 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Ard Biesheuvel The routine ptp_classifier_init() uses an initializer for an automatic struct type variable which refers to an __initdata symbol. This is perfectly legal, but may trigger a section mismatch warning when running the compiler in -fpic mode, due to the fact that the initializer may be emitted into an anonymous .data section thats lack the __init annotation. So work around it by using assignments instead. Signed-off-by: Ard Biesheuvel Signed-off-by: Gerald Schaefer --- net/core/ptp_classifier.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) -- 2.16.4 diff --git a/net/core/ptp_classifier.c b/net/core/ptp_classifier.c index 703cf76aa7c2..7109c168b5e0 100644 --- a/net/core/ptp_classifier.c +++ b/net/core/ptp_classifier.c @@ -185,9 +185,10 @@ void __init ptp_classifier_init(void) { 0x16, 0, 0, 0x00000000 }, { 0x06, 0, 0, 0x00000000 }, }; - struct sock_fprog_kern ptp_prog = { - .len = ARRAY_SIZE(ptp_filter), .filter = ptp_filter, - }; + struct sock_fprog_kern ptp_prog; + + ptp_prog.len = ARRAY_SIZE(ptp_filter); + ptp_prog.filter = ptp_filter; BUG_ON(bpf_prog_create(&ptp_insns, &ptp_prog)); }