From: Vinod Koul <vinod.koul@intel.com>
Date: Mon, 4 Jul 2016 10:36:04 +0000 (+0530)
Subject: dmaengine: nbpfaxi: kill the tasklets upon exit
X-Git-Tag: v4.8-rc1~117^2^2~17
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=b63abf18796f2b5cab22a3b48b4f854dbee0faaa;p=users%2Fjedix%2Flinux-maple.git

dmaengine: nbpfaxi: kill the tasklets upon exit

drivers should ensure that tasklets are killed, so that they can't be
run after driver remove is executed

Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Cc: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com>
---

diff --git a/drivers/dma/nbpfaxi.c b/drivers/dma/nbpfaxi.c
index f489f4e3429fc..08c45c1855496 100644
--- a/drivers/dma/nbpfaxi.c
+++ b/drivers/dma/nbpfaxi.c
@@ -1456,6 +1456,8 @@ static int nbpf_remove(struct platform_device *pdev)
 		struct nbpf_channel *chan = nbpf->chan + i;
 
 		devm_free_irq(&pdev->dev, chan->irq, chan);
+
+		tasklet_kill(&chan->tasklet);
 	}
 
 	of_dma_controller_free(pdev->dev.of_node);