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[3/4] I/OAT: fix async_tx.callback checking

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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>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Maciej Sosnowski 2008-11-07 01:46:55 +00:00 committed by David S. Miller
parent c2c0b4c543
commit 12ccea24e3
1 changed files with 2 additions and 2 deletions
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4
drivers/dma/ioat_dma.c
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@ -525,7 +525,7 @@ static dma_cookie_t ioat1_tx_submit(struct dma_async_tx_descriptor *tx)
} }
hw->ctl = IOAT_DMA_DESCRIPTOR_CTL_CP_STS; 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; hw->ctl |= IOAT_DMA_DESCRIPTOR_CTL_INT_GN;
if (first != new) { if (first != new) {
/* move callback into to last desc */ /* move callback into to last desc */
@ -617,7 +617,7 @@ static dma_cookie_t ioat2_tx_submit(struct dma_async_tx_descriptor *tx)
} }
hw->ctl |= IOAT_DMA_DESCRIPTOR_CTL_CP_STS; 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; hw->ctl |= IOAT_DMA_DESCRIPTOR_CTL_INT_GN;
if (first != new) { if (first != new) {
/* move callback into to last desc */ /* move callback into to last desc */