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dmaengine: moxart-dma: Fix memory leak when stopping a running transfer

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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>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Peter Ujfalusi 2015-03-27 13:35:55 +02:00 • committed by Vinod Koul
parent f931782917
commit fbef403aa7
1 changed files with 3 additions and 1 deletions
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4
drivers/dma/moxart-dma.c
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@ -193,8 +193,10 @@ static int moxart_terminate_all(struct dma_chan *chan)
spin_lock_irqsave(&ch->vc.lock, flags); spin_lock_irqsave(&ch->vc.lock, flags);
if (ch->desc) if (ch->desc) {
moxart_dma_desc_free(&ch->desc->vd);
ch->desc = NULL; ch->desc = NULL;
}
ctrl = readl(ch->base + REG_OFF_CTRL); ctrl = readl(ch->base + REG_OFF_CTRL);
ctrl &= ~(APB_DMA_ENABLE | APB_DMA_FIN_INT_EN | APB_DMA_ERR_INT_EN); ctrl &= ~(APB_DMA_ENABLE | APB_DMA_FIN_INT_EN | APB_DMA_ERR_INT_EN);