From owner-svn-src-head@FreeBSD.ORG Mon May 19 04:44:28 2014 Return-Path: Delivered-To: svn-src-head@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 4208ED79; Mon, 19 May 2014 04:44:28 +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 2FA9D2DD5; Mon, 19 May 2014 04:44:28 +0000 (UTC) Received: from svn.freebsd.org ([127.0.1.70]) by svn.freebsd.org (8.14.8/8.14.8) with ESMTP id s4J4iSg7001477; Mon, 19 May 2014 04:44:28 GMT (envelope-from truckman@svn.freebsd.org) Received: (from truckman@localhost) by svn.freebsd.org (8.14.8/8.14.8/Submit) id s4J4iSgD001476; Mon, 19 May 2014 04:44:28 GMT (envelope-from truckman@svn.freebsd.org) Message-Id: <201405190444.s4J4iSgD001476@svn.freebsd.org> From: Don Lewis Date: Mon, 19 May 2014 04:44:28 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r266426 - head/sys/kern X-SVN-Group: head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 19 May 2014 04:44:28 -0000 Author: truckman Date: Mon May 19 04:44:27 2014 New Revision: 266426 URL: http://svnweb.freebsd.org/changeset/base/266426 Log: Slightly restructure the final loop in rman_reserve_resource_bound(). Replace with the existing loop termination test with a similar condition from the nested "if" that may terminate the loop a bit sooner, but still not too early. This condition can then be removed from the nested "if". Relocate an operator to be style(9) compliant. MFC after: 3 days Modified: head/sys/kern/subr_rman.c Modified: head/sys/kern/subr_rman.c ============================================================================== --- head/sys/kern/subr_rman.c Mon May 19 04:40:02 2014 (r266425) +++ head/sys/kern/subr_rman.c Mon May 19 04:44:27 2014 (r266426) @@ -602,13 +602,10 @@ rman_reserve_resource_bound(struct rman if ((flags & (RF_SHAREABLE | RF_TIMESHARE)) == 0) goto out; - for (s = r; s; s = TAILQ_NEXT(s, r_link)) { - if (s->r_start > end) - break; - if ((s->r_flags & flags) != flags) - continue; - if (s->r_start >= start && s->r_end <= end - && (s->r_end - s->r_start + 1) == count && + for (s = r; s && s->r_end <= end; s = TAILQ_NEXT(s, r_link)) { + if ((s->r_flags & flags) == flags && + s->r_start >= start && + (s->r_end - s->r_start + 1) == count && (s->r_start & amask) == 0 && ((s->r_start ^ s->r_end) & bmask) == 0) { rv = int_alloc_resource(M_NOWAIT);