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authorWei Yongjun <weiyj.lk@gmail.com>2016-08-10 03:17:09 +0000
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-10-07 15:23:46 +0200
commit564d03966e4446eae39bc9c1a5b6f607eb0eb961 (patch)
tree8e0fa4dd33ed8ba49834b25f8ed2ec6d4ae05ae0 /drivers/dma
parent82b7839a4063855b666f5bd2d309871cbbe21eff (diff)
dmaengine: at_xdmac: fix to pass correct device identity to free_irq()
commit 6a8b0c6b18f62a277ffb2139d0c0253fe35d7feb upstream. free_irq() expects the same device identity that was passed to corresponding request_irq(), otherwise the IRQ is not freed. Fixes: e1f7c9eee707 ("dmaengine: at_xdmac: creation of the atmel eXtended DMA Controller driver") Signed-off-by: Wei Yongjun <weiyj.lk@gmail.com> Acked-by: Ludovic Desroches <ludovic.desroches@atmel.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/dma')
-rw-r--r--drivers/dma/at_xdmac.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c
index 5ba8c762147d..9d05d7dbcfa9 100644
--- a/drivers/dma/at_xdmac.c
+++ b/drivers/dma/at_xdmac.c
@@ -2055,7 +2055,7 @@ err_dma_unregister:
err_clk_disable:
clk_disable_unprepare(atxdmac->clk);
err_free_irq:
- free_irq(atxdmac->irq, atxdmac->dma.dev);
+ free_irq(atxdmac->irq, atxdmac);
return ret;
}
@@ -2071,7 +2071,7 @@ static int at_xdmac_remove(struct platform_device *pdev)
synchronize_irq(atxdmac->irq);
- free_irq(atxdmac->irq, atxdmac->dma.dev);
+ free_irq(atxdmac->irq, atxdmac);
for (i = 0; i < atxdmac->dma.chancnt; i++) {
struct at_xdmac_chan *atchan = &atxdmac->chan[i];