[PATCH] dma driver: fix potential oom issue of fsldma

[Xuelin Shi]

From: Xuelin Shi <xuelin.shi at freescale.com>

missing unmap sources and destinations while doing dequeue.

Signed-off-by: Xuelin Shi <xuelin.shi at nxp.com>
---
 drivers/dma/fsldma.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c
index 2209f75..aac85c3 100644
--- a/drivers/dma/fsldma.c
+++ b/drivers/dma/fsldma.c
@@ -522,6 +522,8 @@ static dma_cookie_t fsldma_run_tx_complete_actions(struct fsldma_chan *chan,
 			chan_dbg(chan, "LD %p callback\n", desc);
 			txd->callback(txd->callback_param);
 		}
+
+		dma_descriptor_unmap(txd);
 	}
 
 	/* Run any dependencies */
-- 
1.8.4