Messages in this thread Patch in this message | | | From | Qiao Zhou <> | Subject | [PATCH] dma: mmp_tdma: kill tasklet when free dma channel | Date | Fri, 7 Jun 2013 19:40:40 +0800 |
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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@marvell.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
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