diff mbox

[6/6] rcar-dmac: Fixed active descriptor initializing

Message ID 1442232160-2615-8-git-send-email-hamzahfrq.sub@gmail.com (mailing list archive)
State Superseded
Headers show

Commit Message

hamzahfrq.sub@gmail.com Sept. 14, 2015, 12:02 p.m. UTC 
From: Aleksandar Mitev <amitev@visteon.com>

Running descriptor pointer is set to NULL upon freeing resources. Other-
wise, rcar_dmac_issue_pending might not start new transfers

Signed-off-by: Aleksandar Mitev <amitev@visteon.com>
---
 drivers/dma/sh/rcar-dmac.c | 1 +
 1 file changed, 1 insertion(+)

--
1.9.1

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diff mbox

Patch

diff --git a/drivers/dma/sh/rcar-dmac.c b/drivers/dma/sh/rcar-dmac.c
index 6531ee5..fdb873b 100644
--- a/drivers/dma/sh/rcar-dmac.c
+++ b/drivers/dma/sh/rcar-dmac.c
@@ -1041,6 +1041,7 @@  static void rcar_dmac_free_chan_resources(struct dma_chan *chan)
 	list_splice_init(&rchan->desc.active, &list);
 	list_splice_init(&rchan->desc.done, &list);
 	list_splice_init(&rchan->desc.wait, &list);
+	rchan->desc.running = NULL;

 	list_for_each_entry(desc, &list, node)
 		rcar_dmac_realloc_hwdesc(rchan, desc, 0);