Messages in this thread Patch in this message | | | From | Peter Ujfalusi <> | Subject | [PATCH 5/5] dmaengine: moxart-dma: Fix memory leak when stopping a running transfer | Date | Fri, 27 Mar 2015 13:35:55 +0200 |
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The vd->node is removed from the lists when the transfer started so the vchan_get_all_descriptors() will not find it. This results memory leak.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> CC: Jonas Jensen <jonas.jensen@gmail.com> --- drivers/dma/moxart-dma.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/dma/moxart-dma.c b/drivers/dma/moxart-dma.c index 15cab7d79525..b4634109e010 100644 --- a/drivers/dma/moxart-dma.c +++ b/drivers/dma/moxart-dma.c @@ -193,8 +193,10 @@ static int moxart_terminate_all(struct dma_chan *chan) spin_lock_irqsave(&ch->vc.lock, flags); - if (ch->desc) + if (ch->desc) { + moxart_dma_desc_free(&ch->desc->vd); ch->desc = NULL; + } ctrl = readl(ch->base + REG_OFF_CTRL); ctrl &= ~(APB_DMA_ENABLE | APB_DMA_FIN_INT_EN | APB_DMA_ERR_INT_EN); -- 2.3.3
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