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Date: Fri, 7 Jun 2013 19:40:40 +0800 From: Qiao Zhou <zhouqiao@...vell.com> To: <vinod.koul@...el.com>, <djbw@...com>, <zhangfei.gao@...il.com>, <linux-kernel@...r.kernel.org> CC: Qiao Zhou <zhouqiao@...vell.com> Subject: [PATCH] dma: mmp_tdma: kill tasklet when free dma channel kill tasklet task when free dam channel, otherwise the task may run after related resource is released, then unknown things may happen. Signed-off-by: Qiao Zhou <zhouqiao@...vell.com> --- drivers/dma/mmp_tdma.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/drivers/dma/mmp_tdma.c b/drivers/dma/mmp_tdma.c index 43d5a6c..2622b2a 100644 --- a/drivers/dma/mmp_tdma.c +++ b/drivers/dma/mmp_tdma.c @@ -333,6 +333,9 @@ static void mmp_tdma_free_chan_resources(struct dma_chan *chan) if (tdmac->irq) devm_free_irq(tdmac->dev, tdmac->irq, tdmac); + + tasklet_kill(&tdmac->tasklet); + mmp_tdma_free_descriptor(tdmac); return; } -- 1.7.0.4 -- 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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