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dmaengine: PL08x: ensure all descriptors are freed when channel is released

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Ensure all queued descriptors are freed when the channel is released,
ensuring we don't leak memory

Acked-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King 2012-05-26 17:00:49 +01:00
parent 70f3ff434d
commit a068682cd6
1 changed files with 2 additions and 0 deletions
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2
drivers/dma/amba-pl08x.c
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@ -1117,6 +1117,8 @@ static int pl08x_alloc_chan_resources(struct dma_chan *chan)
static void pl08x_free_chan_resources(struct dma_chan *chan) static void pl08x_free_chan_resources(struct dma_chan *chan)
{ {
/* Ensure all queued descriptors are freed */
vchan_free_chan_resources(to_virt_chan(chan));
} }
static struct dma_async_tx_descriptor *pl08x_prep_dma_interrupt( static struct dma_async_tx_descriptor *pl08x_prep_dma_interrupt(