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Date: Wed, 24 Jul 2013 14:21:09 +0800 From: <hongbo.zhang@...escale.com> To: <vinod.koul@...el.com>, <djbw@...com>, <leoli@...escale.com>, <scottwood@...escale.com>, <linuxppc-dev@...ts.ozlabs.org> CC: <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>, Hongbo Zhang <hongbo.zhang@...escale.com> Subject: [PATCH v5 4/4] DMA: Freescale: eliminate a compiling warning From: Hongbo Zhang <hongbo.zhang@...escale.com> 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 <hongbo.zhang@...escale.com> --- 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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