Re: [PATCH] incorrect use of init_completion fixup

From: Prarit Bhargava
Date: Wed Dec 24 2014 - 14:02:17 EST




On 12/23/2014 12:52 PM, Nicholas Mc Guire wrote:
> The successive init_completion calls should be reinit_completion here.
>

Hi Nicholas,

I know enough about this code to break it ;) ... what condition did you hit that
led you to this patch?

P.

> patch is against 3.18.0 linux-next
>
> Signed-off-by: Nicholas Mc Guire <der.herr@xxxxxxx>
> ---
> drivers/dma/ioat/dma_v3.c | 4 +-
> 1 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/dma/ioat/dma_v3.c b/drivers/dma/ioat/dma_v3.c
> index 32eae38..3dbcc42 100644
> --- a/drivers/dma/ioat/dma_v3.c
> +++ b/drivers/dma/ioat/dma_v3.c
> @@ -1353,7 +1353,7 @@ static int ioat_xor_val_self_test(struct ioatdma_device *device)
> }
>
> async_tx_ack(tx);
> - init_completion(&cmp);
> + reinit_completion(&cmp);
> tx->callback = ioat3_dma_test_callback;
> tx->callback_param = &cmp;
> cookie = tx->tx_submit(tx);
> @@ -1405,7 +1405,7 @@ static int ioat_xor_val_self_test(struct ioatdma_device *device)
> }
>
> async_tx_ack(tx);
> - init_completion(&cmp);
> + reinit_completion(&cmp);
> tx->callback = ioat3_dma_test_callback;
> tx->callback_param = &cmp;
> cookie = tx->tx_submit(tx);
> --
> 1.7.10.4
>
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