[PATCH 3/5] dmaengine: bcm2835-dma: Fix memory leak when stopping a running transfer

From: Peter Ujfalusi
Date: Fri Mar 27 2015 - 07:37:51 EST


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@xxxxxx>
CC: Stephen Warren <swarren@xxxxxxxxxxxxx>
CC: Lee Jones <lee@xxxxxxxxxx>
---
drivers/dma/bcm2835-dma.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/dma/bcm2835-dma.c b/drivers/dma/bcm2835-dma.c
index 0723096fb50a..c92d6a70ccf3 100644
--- a/drivers/dma/bcm2835-dma.c
+++ b/drivers/dma/bcm2835-dma.c
@@ -475,6 +475,7 @@ static int bcm2835_dma_terminate_all(struct dma_chan *chan)
* c->desc is NULL and exit.)
*/
if (c->desc) {
+ bcm2835_dma_desc_free(&c->desc->vd);
c->desc = NULL;
bcm2835_dma_abort(c->chan_base);

--
2.3.3

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