From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751501AbdK3WFl (ORCPT ); Thu, 30 Nov 2017 17:05:41 -0500 Received: from mail-lf0-f68.google.com ([209.85.215.68]:36132 "EHLO mail-lf0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751208AbdK3WFj (ORCPT ); Thu, 30 Nov 2017 17:05:39 -0500 X-Google-Smtp-Source: AGs4zMYOtFL1r4j5TQSelBz3Smfc4GO6FVrt+ya/211Sq519AGR30jk3sheCFP5Hx62crfkQtUuPow== From: Vasyl Gomonovych To: linux-usb@vger.kernel.org Cc: Vasyl Gomonovych , Greg Kroah-Hartman , Thomas Gleixner , Mariusz Skamra , Alexey Dobriyan , Kuppuswamy Sathyanarayanan , "Gustavo A. R. Silva" , Romain Perier , linux-kernel@vger.kernel.org Subject: [PATCH] usb: host: fotg210: Use dma_pool_zalloc Date: Thu, 30 Nov 2017 23:05:24 +0100 Message-Id: <1512079527-22899-1-git-send-email-gomonovych@gmail.com> X-Mailer: git-send-email 1.9.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Replacing dma_pool_alloc and memset with a single call to dma_pool_zalloc Signed-off-by: Vasyl Gomonovych --- drivers/usb/host/fotg210-hcd.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/drivers/usb/host/fotg210-hcd.c b/drivers/usb/host/fotg210-hcd.c index 62fc955085a1..f3e1e7df88a5 100644 --- a/drivers/usb/host/fotg210-hcd.c +++ b/drivers/usb/host/fotg210-hcd.c @@ -1865,11 +1865,9 @@ static struct fotg210_qh *fotg210_qh_alloc(struct fotg210_hcd *fotg210, qh = kzalloc(sizeof(*qh), GFP_ATOMIC); if (!qh) goto done; - qh->hw = (struct fotg210_qh_hw *) - dma_pool_alloc(fotg210->qh_pool, flags, &dma); + qh->hw = dma_pool_zalloc(fotg210->qh_pool, flags, &dma); if (!qh->hw) goto fail; - memset(qh->hw, 0, sizeof(*qh->hw)); qh->qh_dma = dma; INIT_LIST_HEAD(&qh->qtd_list); @@ -4121,7 +4119,7 @@ static int itd_urb_transaction(struct fotg210_iso_stream *stream, } else { alloc_itd: spin_unlock_irqrestore(&fotg210->lock, flags); - itd = dma_pool_alloc(fotg210->itd_pool, mem_flags, + itd = dma_pool_zalloc(fotg210->itd_pool, mem_flags, &itd_dma); spin_lock_irqsave(&fotg210->lock, flags); if (!itd) { @@ -4131,7 +4129,6 @@ static int itd_urb_transaction(struct fotg210_iso_stream *stream, } } - memset(itd, 0, sizeof(*itd)); itd->itd_dma = itd_dma; list_add(&itd->itd_list, &sched->td_list); } -- 1.9.1