Patch "dmaengine: stm32-dma: Set correct args number for DMA request from DT" has been added to the 4.9-stable tree

This is a note to let you know that I've just added the patch titled

dmaengine: stm32-dma: Set correct args number for DMA request from DT

to the 4.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
dmaengine-stm32-dma-set-correct-args-number-for-dma-request-from-dt.patch
and it can be found in the queue-4.9 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

From: M'boumba Cedric Madianga <[email protected]>
Date: Tue, 13 Dec 2016 14:40:43 +0100
Subject: dmaengine: stm32-dma: Set correct args number for DMA request from DT

From: M'boumba Cedric Madianga <[email protected]>

[ Upstream commit 7e96304d99477de1f70db42035071e56439da817 ]

This patch sets the right number of arguments to be used for DMA clients which request channels from DT.

---
 drivers/dma/stm32-dma.c |    7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

@@ -976,21 +976,18 @@ static struct dma_chan *stm32_dma_of_xla
 	struct stm32_dma_chan *chan;
 	struct dma_chan *c;
 
-	if (dma_spec->args_count < 3)
+	if (dma_spec->args_count < 4)
 		return NULL;
 
 	cfg.channel_id = dma_spec->args[0];
 	cfg.request_line = dma_spec->args[1];
 	cfg.stream_config = dma_spec->args[2];
-	cfg.threshold = 0;
+	cfg.threshold = dma_spec->args[3];
 
 	if ((cfg.channel_id >= STM32_DMA_MAX_CHANNELS) || (cfg.request_line >=
 				STM32_DMA_MAX_REQUEST_ID))
 		return NULL;
 
-	if (dma_spec->args_count > 3)
-		cfg.threshold = dma_spec->args[3];
-
 	chan = &dmadev->chan[cfg.channel_id];
 
 	c = dma_get_slave_channel(&chan->vchan.chan);

Patches currently in stable-queue which might be from [email protected] are

queue-4.9/dmaengine-stm32-dma-fix-null-pointer-dereference-in-stm32_dma_tx_status.patch queue-4.9/dmaengine-stm32-dma-set-correct-args-number-for-dma-request-from-dt.patch