From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id BAFCCC369BD for ; Wed, 16 Apr 2025 02:13:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=flsMrss1yoTJHwM9wwpPcJX7vLScB/dAHKxDi6rBq0k=; b=ce50QiBYqrcyQCS+TWwC3AS4T1 BN1XZc2NkalHinEC+UhuboXhcxkER/5Go0DeUwKmCPTeLZYe9qNlxVFcwrikzR9uTvuRoON+oReRq 7CXUKg41yzpeFqjOjcyEDTlO5NCSLhXhXcKSjSPJ/m87VCtZ31gv4qVoYkos/L6W0s50coEzhENUm r6rZOck21pczpDWROvN7n/APjoefBEDtHcwHr/5jKrCMsPfo3nxs69z6vDrAj4ay0yi/3tFPSe+Cj SM/QvB6LOxVG39iFLvSZfy6j0BwcIY+Bzf1vrZgViQOi10H6onGQqfbksiRsQQFb0jKc3wRKNjKz8 T18v4uCw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1u4sH0-00000007uJm-2m8V; Wed, 16 Apr 2025 02:13:10 +0000 Received: from linux.microsoft.com ([13.77.154.182]) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1u4sEi-00000007tlo-3ksc for kexec@lists.infradead.org; Wed, 16 Apr 2025 02:10:50 +0000 Received: from DESKTOP-VOT081N.hsd1.ga.comcast.net (unknown [172.200.70.13]) by linux.microsoft.com (Postfix) with ESMTPSA id 1B3CA210C454; Tue, 15 Apr 2025 19:10:45 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 1B3CA210C454 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1744769448; bh=flsMrss1yoTJHwM9wwpPcJX7vLScB/dAHKxDi6rBq0k=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=RkyqvziEE+N/AvhH8MOnfTuSCKMtulhuFs0VN6q/IxUVrDSaBRJvQ5zeCBMwPHxFh 2i7HFOyEuZ1kplNK3DU+T1dHp8zBlb/VD+LA3XNQYnphpOCnkIcOkWESDjWljEbd1C 4ses7ffbNaCmFNLVxw16OzjytdY4zjQM5ktnNgKo= From: steven chen To: zohar@linux.ibm.com, stefanb@linux.ibm.com, roberto.sassu@huaweicloud.com, roberto.sassu@huawei.com, eric.snowberg@oracle.com, ebiederm@xmission.com, paul@paul-moore.com, code@tyhicks.com, bauermann@kolabnow.com, linux-integrity@vger.kernel.org, kexec@lists.infradead.org, linux-security-module@vger.kernel.org, linux-kernel@vger.kernel.org Cc: madvenka@linux.microsoft.com, nramas@linux.microsoft.com, James.Bottomley@HansenPartnership.com, bhe@redhat.com, vgoyal@redhat.com, dyoung@redhat.com Subject: [PATCH v12 1/9] ima: rename variable the seq_file "file" to "ima_kexec_file" Date: Tue, 15 Apr 2025 19:10:19 -0700 Message-ID: <20250416021028.1403-2-chenste@linux.microsoft.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250416021028.1403-1-chenste@linux.microsoft.com> References: <20250416021028.1403-1-chenste@linux.microsoft.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250415_191049_025157_C2BCFF83 X-CRM114-Status: GOOD ( 11.88 ) X-BeenThere: kexec@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "kexec" Errors-To: kexec-bounces+kexec=archiver.kernel.org@lists.infradead.org From: Steven Chen Before making the function local seq_file "file" variable file static global, rename it to "ima_kexec_file". Signed-off-by: Steven Chen --- security/integrity/ima/ima_kexec.c | 31 +++++++++++++++--------------- 1 file changed, 16 insertions(+), 15 deletions(-) diff --git a/security/integrity/ima/ima_kexec.c b/security/integrity/ima/ima_kexec.c index 9d45f4d26f73..650beb74346c 100644 --- a/security/integrity/ima/ima_kexec.c +++ b/security/integrity/ima/ima_kexec.c @@ -18,30 +18,30 @@ static int ima_dump_measurement_list(unsigned long *buffer_size, void **buffer, unsigned long segment_size) { + struct seq_file ima_kexec_file; struct ima_queue_entry *qe; - struct seq_file file; struct ima_kexec_hdr khdr; int ret = 0; /* segment size can't change between kexec load and execute */ - file.buf = vmalloc(segment_size); - if (!file.buf) { + ima_kexec_file.buf = vmalloc(segment_size); + if (!ima_kexec_file.buf) { ret = -ENOMEM; goto out; } - file.file = NULL; - file.size = segment_size; - file.read_pos = 0; - file.count = sizeof(khdr); /* reserved space */ + ima_kexec_file.file = NULL; + ima_kexec_file.size = segment_size; + ima_kexec_file.read_pos = 0; + ima_kexec_file.count = sizeof(khdr); /* reserved space */ memset(&khdr, 0, sizeof(khdr)); khdr.version = 1; /* This is an append-only list, no need to hold the RCU read lock */ list_for_each_entry_rcu(qe, &ima_measurements, later, true) { - if (file.count < file.size) { + if (ima_kexec_file.count < ima_kexec_file.size) { khdr.count++; - ima_measurements_show(&file, qe); + ima_measurements_show(&ima_kexec_file, qe); } else { ret = -EINVAL; break; @@ -55,23 +55,24 @@ static int ima_dump_measurement_list(unsigned long *buffer_size, void **buffer, * fill in reserved space with some buffer details * (eg. version, buffer size, number of measurements) */ - khdr.buffer_size = file.count; + khdr.buffer_size = ima_kexec_file.count; if (ima_canonical_fmt) { khdr.version = cpu_to_le16(khdr.version); khdr.count = cpu_to_le64(khdr.count); khdr.buffer_size = cpu_to_le64(khdr.buffer_size); } - memcpy(file.buf, &khdr, sizeof(khdr)); + memcpy(ima_kexec_file.buf, &khdr, sizeof(khdr)); print_hex_dump_debug("ima dump: ", DUMP_PREFIX_NONE, 16, 1, - file.buf, file.count < 100 ? file.count : 100, + ima_kexec_file.buf, ima_kexec_file.count < 100 ? + ima_kexec_file.count : 100, true); - *buffer_size = file.count; - *buffer = file.buf; + *buffer_size = ima_kexec_file.count; + *buffer = ima_kexec_file.buf; out: if (ret == -EINVAL) - vfree(file.buf); + vfree(ima_kexec_file.buf); return ret; } -- 2.43.0