Merge branches 'acpi-resources', 'acpi-ec' and 'acpi-sleep'

[~andy/linux] / drivers / dma / ioat / dma_v3.c

diff --git a/drivers/dma/ioat/dma_v3.c b/drivers/dma/ioat/dma_v3.c
index 820817e97e626a498561a9e5f0f3a61f22ffc9fa..b9b38a1cf92fbdc4147e70af93508f0d9caf6867 100644 (file)
--- a/drivers/dma/ioat/dma_v3.c
+++ b/drivers/dma/ioat/dma_v3.c
@@ -464,8 +464,11 @@ static void ioat3_cleanup(struct ioat2_dma_chan *ioat)
 static void ioat3_cleanup_event(unsigned long data)
 {
        struct ioat2_dma_chan *ioat = to_ioat2_chan((void *) data);
+       struct ioat_chan_common *chan = &ioat->base;
 
        ioat3_cleanup(ioat);
+       if (!test_bit(IOAT_RUN, &chan->state))
+               return;
        writew(IOAT_CHANCTRL_RUN, ioat->base.reg_base + IOAT_CHANCTRL_OFFSET);
 }