| Message ID | 20240906031345.1052241-2-ruanjinjie@huawei.com |
|---|---|
| State | New |
| Headers | show |
| Series | [v2,1/2] spi: geni-qcom: Fix incorrect free_irq() sequence | expand |
diff --git a/drivers/spi/spi-geni-qcom.c b/drivers/spi/spi-geni-qcom.c index 37ef8c40b276..fc2819effe2d 100644 --- a/drivers/spi/spi-geni-qcom.c +++ b/drivers/spi/spi-geni-qcom.c @@ -1170,9 +1170,10 @@ static void spi_geni_remove(struct platform_device *pdev) /* Unregister _before_ disabling pm_runtime() so we stop transfers */ spi_unregister_controller(spi); + free_irq(mas->irq, spi); + spi_geni_release_dma_chan(mas); - free_irq(mas->irq, spi); pm_runtime_disable(&pdev->dev); }
In spi_geni_remove(), the IRQ will still remain and it's interrupt handler may use the dma channel after release dma channel and before free irq, which is not secure, fix it. Fixes: b59c122484ec ("spi: spi-geni-qcom: Add support for GPI dma") Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com> --- drivers/spi/spi-geni-qcom.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)