From d2edcdc5ad15bc5565e1e968cc43ed90c5c0a9e4 Mon Sep 17 00:00:00 2001 From: Maciej Sosnowski Date: Tue, 11 Nov 2008 17:50:05 +0000 Subject: [PATCH] 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 Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- drivers/dma/ioat_dma.c | 4 ++-- 1 file 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 */ -- 2.39.2