From owner-svn-src-all@FreeBSD.ORG Thu Apr 9 21:26:24 2015 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id D78E5872; Thu, 9 Apr 2015 21:26:24 +0000 (UTC) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:1900:2254:2068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id A91CCDB9; Thu, 9 Apr 2015 21:26:24 +0000 (UTC) Received: from svn.freebsd.org ([127.0.1.70]) by svn.freebsd.org (8.14.9/8.14.9) with ESMTP id t39LQOpA039493; Thu, 9 Apr 2015 21:26:24 GMT (envelope-from jkim@FreeBSD.org) Received: (from jkim@localhost) by svn.freebsd.org (8.14.9/8.14.9/Submit) id t39LQOEt039492; Thu, 9 Apr 2015 21:26:24 GMT (envelope-from jkim@FreeBSD.org) Message-Id: <201504092126.t39LQOEt039492@svn.freebsd.org> X-Authentication-Warning: svn.freebsd.org: jkim set sender to jkim@FreeBSD.org using -f From: Jung-uk Kim Date: Thu, 9 Apr 2015 21:26:24 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r281331 - head/usr.sbin/acpi/acpidump X-SVN-Group: head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 09 Apr 2015 21:26:25 -0000 Author: jkim Date: Thu Apr 9 21:26:23 2015 New Revision: 281331 URL: https://svnweb.freebsd.org/changeset/base/281331 Log: Do not crash when RSDT/XSDT contains an empty entry. Reported by: Slawa Olhovchenkov MFC after: 3 days Modified: head/usr.sbin/acpi/acpidump/acpi.c Modified: head/usr.sbin/acpi/acpidump/acpi.c ============================================================================== --- head/usr.sbin/acpi/acpidump/acpi.c Thu Apr 9 21:23:27 2015 (r281330) +++ head/usr.sbin/acpi/acpidump/acpi.c Thu Apr 9 21:26:23 2015 (r281331) @@ -1085,17 +1085,10 @@ acpi_print_rsdt(ACPI_TABLE_HEADER *rsdp) for (i = 0; i < entries; i++) { if (i > 0) printf(", "); - switch (addr_size) { - case 4: + if (addr_size == 4) addr = le32toh(rsdt->TableOffsetEntry[i]); - break; - case 8: + else addr = le64toh(xsdt->TableOffsetEntry[i]); - break; - default: - addr = 0; - } - assert(addr != 0); printf("0x%08lx", addr); } printf(" }\n"); @@ -1342,17 +1335,12 @@ acpi_handle_rsdt(ACPI_TABLE_HEADER *rsdp xsdt = (ACPI_TABLE_XSDT *)rsdp; entries = (rsdp->Length - sizeof(ACPI_TABLE_HEADER)) / addr_size; for (i = 0; i < entries; i++) { - switch (addr_size) { - case 4: + if (addr_size == 4) addr = le32toh(rsdt->TableOffsetEntry[i]); - break; - case 8: + else addr = le64toh(xsdt->TableOffsetEntry[i]); - break; - default: - assert((addr = 0)); - } - + if (addr == 0) + continue; sdp = (ACPI_TABLE_HEADER *)acpi_map_sdt(addr); if (acpi_checksum(sdp, sdp->Length)) { warnx("RSDT entry %d (sig %.4s) is corrupt", i, @@ -1547,16 +1535,12 @@ sdt_from_rsdt(ACPI_TABLE_HEADER *rsdp, c xsdt = (ACPI_TABLE_XSDT *)rsdp; entries = (rsdp->Length - sizeof(ACPI_TABLE_HEADER)) / addr_size; for (i = 0; i < entries; i++) { - switch (addr_size) { - case 4: + if (addr_size == 4) addr = le32toh(rsdt->TableOffsetEntry[i]); - break; - case 8: + else addr = le64toh(xsdt->TableOffsetEntry[i]); - break; - default: - assert((addr = 0)); - } + if (addr == 0) + continue; sdt = (ACPI_TABLE_HEADER *)acpi_map_sdt(addr); if (last != NULL) { if (sdt == last)