Messages in this thread Patch in this message | | | Date | Mon, 12 Sep 2005 15:53:56 -0400 | From | "John W. Linville" <> | Subject | [patch 2.6.13] swiotlb: BUG() for DMA_NONE in sync_single |
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Call BUG() if DMA_NONE is passed-in as direction for sync_single.
Signed-off-by: John W. Linville <linville@tuxdriver.com> ---
lib/swiotlb.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/lib/swiotlb.c b/lib/swiotlb.c --- a/lib/swiotlb.c +++ b/lib/swiotlb.c @@ -315,13 +315,13 @@ sync_single(struct device *hwdev, char * case SYNC_FOR_CPU: if (likely(dir == DMA_FROM_DEVICE || dma == DMA_BIDIRECTIONAL)) memcpy(buffer, dma_addr, size); - else if (dir != DMA_TO_DEVICE && dir != DMA_NONE) + else if (dir != DMA_TO_DEVICE) BUG(); break; case SYNC_FOR_DEVICE: if (likely(dir == DMA_TO_DEVICE || dma == DMA_BIDIRECTIONAL)) memcpy(dma_addr, buffer, size); - else if (dir != DMA_FROM_DEVICE && dir != DMA_NONE) + else if (dir != DMA_FROM_DEVICE) BUG(); break; default: -- John W. Linville linville@tuxdriver.com - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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