4.15-stable review patch. If anyone has any objections, please let me know.
------------------ 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. Signed-off-by: Kedareswara rao Appana <[email protected]> Signed-off-by: Vinod Koul <[email protected]> Signed-off-by: Sasha Levin <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- drivers/dma/xilinx/zynqmp_dma.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/drivers/dma/xilinx/zynqmp_dma.c +++ b/drivers/dma/xilinx/zynqmp_dma.c @@ -838,7 +838,8 @@ 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);
