From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from db9outboundpool.messaging.microsoft.com (mail-db9lp0253.outbound.messaging.microsoft.com [213.199.154.253]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (Client CN "mail.global.frontbridge.com", Issuer "MSIT Machine Auth CA 2" (not verified)) by ozlabs.org (Postfix) with ESMTPS id 535FE2C00FA for ; Wed, 24 Jul 2013 16:21:44 +1000 (EST) From: To: , , , , Subject: [PATCH v5 4/4] DMA: Freescale: eliminate a compiling warning Date: Wed, 24 Jul 2013 14:21:09 +0800 Message-ID: <1374646870-5162-5-git-send-email-hongbo.zhang@freescale.com> In-Reply-To: <1374646870-5162-1-git-send-email-hongbo.zhang@freescale.com> References: <1374646870-5162-1-git-send-email-hongbo.zhang@freescale.com> MIME-Version: 1.0 Content-Type: text/plain Cc: Hongbo Zhang , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Hongbo Zhang The variable cookie is initialized in a list_for_each_entry loop, if(unlikely) the list is empty, this variable will be used uninitialized, so we get a gcc compiling warning about this. This patch fixes this defect by setting an initial value to the varialble cookie. Signed-off-by: Hongbo Zhang --- drivers/dma/fsldma.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c index 16a9a48..14d68a4 100644 --- a/drivers/dma/fsldma.c +++ b/drivers/dma/fsldma.c @@ -406,7 +406,7 @@ static dma_cookie_t fsl_dma_tx_submit(struct dma_async_tx_descriptor *tx) struct fsl_desc_sw *desc = tx_to_fsl_desc(tx); struct fsl_desc_sw *child; unsigned long flags; - dma_cookie_t cookie; + dma_cookie_t cookie = 0; spin_lock_irqsave(&chan->desc_lock, flags); -- 1.7.9.5