dmaengine: bcm2835-dma: Fix memory leak when stopping a running transfer

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>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

diff --git a/drivers/dma/bcm2835-dma.c b/drivers/dma/bcm2835-dma.c
index 0723096fb50ac125dbb471126ba396085307ff2e..c92d6a70ccf303c69cfdb127210a09a1262122bc 100644 (file)
--- 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);