From 07d2b0515540704d0227b67d81831be749992f53 Mon Sep 17 00:00:00 2001 From: jah Date: Fri, 14 Aug 2015 18:01:40 +0000 Subject: [PATCH] Reformat x86 bounce buffer synchronization code to reduce indentation. No functional change. Approved by: kib (mentor) --- sys/x86/x86/busdma_bounce.c | 68 +++++++++++++++++-------------------- 1 file changed, 32 insertions(+), 36 deletions(-) diff --git a/sys/x86/x86/busdma_bounce.c b/sys/x86/x86/busdma_bounce.c index dcdeafa733c..25cd00275fb 100644 --- a/sys/x86/x86/busdma_bounce.c +++ b/sys/x86/x86/busdma_bounce.c @@ -758,47 +758,43 @@ bounce_bus_dmamap_sync(bus_dma_tag_t dmat, bus_dmamap_t map, { struct bounce_page *bpage; - if ((bpage = STAILQ_FIRST(&map->bpages)) != NULL) { - /* - * Handle data bouncing. We might also - * want to add support for invalidating - * the caches on broken hardware - */ - CTR4(KTR_BUSDMA, "%s: tag %p tag flags 0x%x op 0x%x " - "performing bounce", __func__, dmat, - dmat->common.flags, op); - - if ((op & BUS_DMASYNC_PREWRITE) != 0) { - while (bpage != NULL) { - if (bpage->datavaddr != 0) { - bcopy((void *)bpage->datavaddr, - (void *)bpage->vaddr, - bpage->datacount); - } else { - physcopyout(bpage->dataaddr, - (void *)bpage->vaddr, - bpage->datacount); - } - bpage = STAILQ_NEXT(bpage, links); + if ((bpage = STAILQ_FIRST(&map->bpages)) == NULL) + return; + + /* + * Handle data bouncing. We might also want to add support for + * invalidating the caches on broken hardware. + */ + CTR4(KTR_BUSDMA, "%s: tag %p tag flags 0x%x op 0x%x " + "performing bounce", __func__, dmat, dmat->common.flags, op); + + if ((op & BUS_DMASYNC_PREWRITE) != 0) { + while (bpage != NULL) { + if (bpage->datavaddr != 0) { + bcopy((void *)bpage->datavaddr, + (void *)bpage->vaddr, bpage->datacount); + } else { + physcopyout(bpage->dataaddr, + (void *)bpage->vaddr, bpage->datacount); } - dmat->bounce_zone->total_bounced++; + bpage = STAILQ_NEXT(bpage, links); } + dmat->bounce_zone->total_bounced++; + } - if ((op & BUS_DMASYNC_POSTREAD) != 0) { - while (bpage != NULL) { - if (bpage->datavaddr != 0) { - bcopy((void *)bpage->vaddr, - (void *)bpage->datavaddr, - bpage->datacount); - } else { - physcopyin((void *)bpage->vaddr, - bpage->dataaddr, - bpage->datacount); - } - bpage = STAILQ_NEXT(bpage, links); + if ((op & BUS_DMASYNC_POSTREAD) != 0) { + while (bpage != NULL) { + if (bpage->datavaddr != 0) { + bcopy((void *)bpage->vaddr, + (void *)bpage->datavaddr, + bpage->datacount); + } else { + physcopyin((void *)bpage->vaddr, + bpage->dataaddr, bpage->datacount); } - dmat->bounce_zone->total_bounced++; + bpage = STAILQ_NEXT(bpage, links); } + dmat->bounce_zone->total_bounced++; } } -- 2.45.0