dmaengine: PL08x: ensure all descriptors are freed when channel is re…

…leased 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>
mariux64 · Jul 1, 2012 · a068682 · a068682
1 parent 70f3ff4
commit a068682
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/drivers/dma/amba-pl08x.c b/drivers/dma/amba-pl08x.c
@@ -1117,6 +1117,8 @@ static int pl08x_alloc_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(