Patch "dmaengine: zynqmp_dma: Fix race condition in the probe" 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: zynqmp_dma: Fix race condition in the probe

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-zynqmp_dma-fix-race-condition-in-the-probe.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: Kedareswara rao Appana <[email protected]>
Date: Thu, 7 Dec 2017 10:54:28 +0530
Subject: dmaengine: zynqmp_dma: Fix race condition in the probe

From: Kedareswara rao Appana <[email protected]>

[ Upstream commit 5ba080aada5e739165e0f38d5cc3b04c82b323c8 ]

Incase of interrupt property is not present,
Driver is trying to free an invalid irq,
This patch fixes it by adding a check before freeing the irq.

---
 drivers/dma/xilinx/zynqmp_dma.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

@@ -933,7 +933,8 @@ static void zynqmp_dma_chan_remove(struc
 	if (!chan)
 		return;
 
-	devm_free_irq(chan->zdev->dev, chan->irq, chan);
+	if (chan->irq)
+		devm_free_irq(chan->zdev->dev, chan->irq, chan);
 	tasklet_kill(&chan->tasklet);
 	list_del(&chan->common.device_node);
 	clk_disable_unprepare(chan->clk_apb);

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

queue-4.9/dmaengine-zynqmp_dma-fix-race-condition-in-the-probe.patch