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author | Maciej Sosnowski <maciej.sosnowski@intel.com> | 2008-11-11 17:50:05 +0000 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@suse.de> | 2008-11-13 09:56:00 -0800 |
commit | d2edcdc5ad15bc5565e1e968cc43ed90c5c0a9e4 (patch) | |
tree | 13a57dc6aa9f02f5ccf638bac77ce213421d5bef | |
parent | 33cfbb0629d7e08875f23ceeff21c4067a0937e5 (diff) | |
download | lwn-d2edcdc5ad15bc5565e1e968cc43ed90c5c0a9e4.tar.gz lwn-d2edcdc5ad15bc5565e1e968cc43ed90c5c0a9e4.zip |
I/OAT: fix async_tx.callback checking
commit 12ccea24e309d815d058cdc6ee8bf2c4b85f0c5f upstream
async_tx.callback should be checked for the first
not the last descriptor in the chain.
Signed-off-by: Maciej Sosnowski <maciej.sosnowski@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
-rw-r--r-- | 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 b762db2e8073..3f4db5460d1a 100644 --- a/drivers/dma/ioat_dma.c +++ b/drivers/dma/ioat_dma.c @@ -519,7 +519,7 @@ static dma_cookie_t ioat1_tx_submit(struct dma_async_tx_descriptor *tx) } 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 */ @@ -611,7 +611,7 @@ static dma_cookie_t ioat2_tx_submit(struct dma_async_tx_descriptor *tx) } 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 */ |