Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756638AbbLBUoA (ORCPT ); Wed, 2 Dec 2015 15:44:00 -0500 Received: from mail-qg0-f49.google.com ([209.85.192.49]:33137 "EHLO mail-qg0-f49.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755177AbbLBUn6 (ORCPT ); Wed, 2 Dec 2015 15:43:58 -0500 From: "Geyslan G. Bem" To: peter.senna@gmail.com Cc: "Geyslan G. Bem" , Mathias Nyman , Greg Kroah-Hartman , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 3/3] usb: xhci: replace dma_pool_alloc and memset with dma_pool_zalloc Date: Wed, 2 Dec 2015 17:43:41 -0300 Message-Id: <1449089027-11158-1-git-send-email-geyslan@gmail.com> X-Mailer: git-send-email 2.6.2 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1588 Lines: 51 Replace dma_pool_alloc and memset with a single call to dma_pool_zalloc. Caught by coccinelle. Signed-off-by: Geyslan G. Bem --- drivers/usb/host/xhci-mem.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index c48cbe7..d034f92 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -47,13 +47,12 @@ static struct xhci_segment *xhci_segment_alloc(struct xhci_hcd *xhci, if (!seg) return NULL; - seg->trbs = dma_pool_alloc(xhci->segment_pool, flags, &dma); + seg->trbs = dma_pool_zalloc(xhci->segment_pool, flags, &dma); if (!seg->trbs) { kfree(seg); return NULL; } - memset(seg->trbs, 0, TRB_SEGMENT_SIZE); /* If the cycle state is 0, set the cycle bit to 1 for all the TRBs */ if (cycle_state == 0) { for (i = 0; i < TRBS_PER_SEGMENT; i++) @@ -517,12 +516,12 @@ static struct xhci_container_ctx *xhci_alloc_container_ctx(struct xhci_hcd *xhci if (type == XHCI_CTX_TYPE_INPUT) ctx->size += CTX_SIZE(xhci->hcc_params); - ctx->bytes = dma_pool_alloc(xhci->device_pool, flags, &ctx->dma); + ctx->bytes = dma_pool_zalloc(xhci->device_pool, flags, &ctx->dma); if (!ctx->bytes) { kfree(ctx); return NULL; } - memset(ctx->bytes, 0, ctx->size); + return ctx; } -- 2.6.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/