From owner-svn-src-stable-12@freebsd.org Sat Apr 25 06:42:46 2020 Return-Path: Delivered-To: svn-src-stable-12@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 9412D2CD264; Sat, 25 Apr 2020 06:42:46 +0000 (UTC) (envelope-from delphij@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 498M123P36z4bxH; Sat, 25 Apr 2020 06:42:46 +0000 (UTC) (envelope-from delphij@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 6F3C7345B; Sat, 25 Apr 2020 06:42:46 +0000 (UTC) (envelope-from delphij@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id 03P6gk7E036465; Sat, 25 Apr 2020 06:42:46 GMT (envelope-from delphij@FreeBSD.org) Received: (from delphij@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id 03P6gkpD036463; Sat, 25 Apr 2020 06:42:46 GMT (envelope-from delphij@FreeBSD.org) Message-Id: <202004250642.03P6gkpD036463@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: delphij set sender to delphij@FreeBSD.org using -f From: Xin LI Date: Sat, 25 Apr 2020 06:42:46 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: svn commit: r360291 - stable/12/sys/dev/acpi_support X-SVN-Group: stable-12 X-SVN-Commit-Author: delphij X-SVN-Commit-Paths: stable/12/sys/dev/acpi_support X-SVN-Commit-Revision: 360291 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-stable-12@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: SVN commit messages for only the 12-stable src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 25 Apr 2020 06:42:46 -0000 Author: delphij Date: Sat Apr 25 06:42:46 2020 New Revision: 360291 URL: https://svnweb.freebsd.org/changeset/base/360291 Log: MFC r359795: Avoid using a variable solely for sizes that are never meant to be modified runtime. Modified: stable/12/sys/dev/acpi_support/acpi_hp.c Directory Properties: stable/12/ (props changed) Modified: stable/12/sys/dev/acpi_support/acpi_hp.c ============================================================================== --- stable/12/sys/dev/acpi_support/acpi_hp.c Sat Apr 25 05:51:58 2020 (r360290) +++ stable/12/sys/dev/acpi_support/acpi_hp.c Sat Apr 25 06:42:46 2020 (r360291) @@ -960,10 +960,9 @@ acpi_hp_get_cmi_block(device_t wmi_dev, const char* gu ACPI_BUFFER out = { ACPI_ALLOCATE_BUFFER, NULL }; int i; int outlen; - int size = 255; int has_enums = 0; int valuebase = 0; - char string_buffer[size]; + char string_buffer[255]; int enumbase; outlen = 0; @@ -1017,18 +1016,21 @@ acpi_hp_get_cmi_block(device_t wmi_dev, const char* gu if (detail & ACPI_HP_CMI_DETAIL_PATHS) { strlcat(outbuf, acpi_hp_get_string_from_object( - &obj->Package.Elements[2], string_buffer, size), outsize); + &obj->Package.Elements[2], + string_buffer, sizeof(string_buffer)), outsize); outlen += 48; while (strlen(outbuf) < outlen) strlcat(outbuf, " ", outsize); } strlcat(outbuf, acpi_hp_get_string_from_object( - &obj->Package.Elements[0], string_buffer, size), outsize); + &obj->Package.Elements[0], + string_buffer, sizeof(string_buffer)), outsize); outlen += 43; while (strlen(outbuf) < outlen) strlcat(outbuf, " ", outsize); strlcat(outbuf, acpi_hp_get_string_from_object( - &obj->Package.Elements[valuebase], string_buffer, size), outsize); + &obj->Package.Elements[valuebase], + string_buffer, sizeof(string_buffer)), outsize); outlen += 21; while (strlen(outbuf) < outlen) strlcat(outbuf, " ", outsize); @@ -1039,7 +1041,8 @@ acpi_hp_get_cmi_block(device_t wmi_dev, const char* gu for (i = enumbase + 1; i < enumbase + 1 + obj->Package.Elements[enumbase].Integer.Value; ++i) { acpi_hp_get_string_from_object( - &obj->Package.Elements[i], string_buffer, size); + &obj->Package.Elements[i], + string_buffer, sizeof(string_buffer)); if (strlen(string_buffer) > 1 || (strlen(string_buffer) == 1 && string_buffer[0] != ' ')) { @@ -1209,8 +1212,7 @@ acpi_hp_hpcmi_read(struct cdev *dev, struct uio *buf, UINT8 instance; UINT8 maxInstance; UINT32 sequence; - int linesize = 1025; - char line[linesize]; + char line[1025]; if (dev == NULL || dev->si_drv1 == NULL) return (EBADF); @@ -1235,7 +1237,7 @@ acpi_hp_hpcmi_read(struct cdev *dev, struct uio *buf, ++instance) { if (acpi_hp_get_cmi_block(sc->wmi_dev, ACPI_HP_WMI_CMI_GUID, instance, - line, linesize, &sequence, + line, sizeof(line), &sequence, sc->cmi_detail)) { instance = maxInstance; } @@ -1268,7 +1270,7 @@ acpi_hp_hpcmi_read(struct cdev *dev, struct uio *buf, for (i=0; icmi_order_size; ++i) { if (!acpi_hp_get_cmi_block(sc->wmi_dev, ACPI_HP_WMI_CMI_GUID, - sc->cmi_order[i].instance, line, linesize, + sc->cmi_order[i].instance, line, sizeof(line), &sequence, sc->cmi_detail)) { sbuf_printf(&sc->hpcmi_sbuf, "%s\n", line); }