Date: Thu, 22 May 2014 00:39:50 +0000 (UTC) From: Don Lewis <truckman@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-10@freebsd.org Subject: svn commit: r266521 - stable/10/sys/kern Message-ID: <201405220039.s4M0do3k004745@svn.freebsd.org>
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Author: truckman Date: Thu May 22 00:39:49 2014 New Revision: 266521 URL: http://svnweb.freebsd.org/changeset/base/266521 Log: MFC r266426 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. Modified: stable/10/sys/kern/subr_rman.c Directory Properties: stable/10/ (props changed) Modified: stable/10/sys/kern/subr_rman.c ============================================================================== --- stable/10/sys/kern/subr_rman.c Thu May 22 00:01:31 2014 (r266520) +++ stable/10/sys/kern/subr_rman.c Thu May 22 00:39:49 2014 (r266521) @@ -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);
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