Messages in this thread Patch in this message | | | From | Maciej Sosnowski <> | Subject | [PATCH 3/4] I/OAT: fix async_tx.callback checking | Date | Fri, 07 Nov 2008 12:46:55 +0100 |
| |
From: Maciej Sosnowski <maciej.sosnowski@intel.com>
async_tx.callback should be checked for the first not the last descriptor in the chain.
Cc: <stable@kernel.org> Signed-off-by: Maciej Sosnowski <maciej.sosnowski@intel.com> ---
drivers/dma/ioat_dma.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/dma/ioat_dma.c b/drivers/dma/ioat_dma.c index 687eef7..c5af17a 100644 --- a/drivers/dma/ioat_dma.c +++ b/drivers/dma/ioat_dma.c @@ -525,7 +525,7 @@ static dma_cookie_t ioat1_tx_submit(stru } hw->ctl = IOAT_DMA_DESCRIPTOR_CTL_CP_STS; - if (new->async_tx.callback) { + if (first->async_tx.callback) { hw->ctl |= IOAT_DMA_DESCRIPTOR_CTL_INT_GN; if (first != new) { /* move callback into to last desc */ @@ -617,7 +617,7 @@ static dma_cookie_t ioat2_tx_submit(stru } hw->ctl |= IOAT_DMA_DESCRIPTOR_CTL_CP_STS; - if (new->async_tx.callback) { + if (first->async_tx.callback) { hw->ctl |= IOAT_DMA_DESCRIPTOR_CTL_INT_GN; if (first != new) { /* move callback into to last desc */
| |