Date: Tue, 28 Jul 2015 04:54:06 +0000 (UTC) From: Marcel Moolenaar <marcel@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r285927 - head/sys/dev/proto Message-ID: <201507280454.t6S4s6tj005111@repo.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: marcel Date: Tue Jul 28 04:54:05 2015 New Revision: 285927 URL: https://svnweb.freebsd.org/changeset/base/285927 Log: Check the sync operation. Modified: head/sys/dev/proto/proto_busdma.c Modified: head/sys/dev/proto/proto_busdma.c ============================================================================== --- head/sys/dev/proto/proto_busdma.c Tue Jul 28 02:32:40 2015 (r285926) +++ head/sys/dev/proto/proto_busdma.c Tue Jul 28 04:54:05 2015 (r285927) @@ -325,7 +325,12 @@ static int proto_busdma_sync(struct proto_busdma *busdma, struct proto_md *md, struct proto_ioc_busdma *ioc) { - + u_int ops; + + ops = BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE | + BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE; + if (ioc->u.sync.op & ~ops) + return (EINVAL); if (!md->physaddr) return (ENXIO); bus_dmamap_sync(md->bd_tag, md->bd_map, ioc->u.sync.op);
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201507280454.t6S4s6tj005111>