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| author | Jaroslav Kysela <perex@perex.cz> | 2010-01-08 09:26:34 +0100 |
|---|---|---|
| committer | Jaroslav Kysela <perex@perex.cz> | 2010-01-08 09:26:34 +0100 |
| commit | 1cb4f624ea38361b6397966470f0a1bed5532483 (patch) | |
| tree | 418b05ddc854b09d64f7d5ee0c78875e42b5f151 /lib/swiotlb.c | |
| parent | 444c1953d496d272208902ff7010dc70d1f887f0 (diff) | |
| parent | 2c1f1895ef2aa8f0e5497893eff71304aef332e1 (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into fixes
Diffstat (limited to 'lib/swiotlb.c')
| -rw-r--r-- | lib/swiotlb.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/swiotlb.c b/lib/swiotlb.c index 5bc01803f8f..437eedb5a53 100644 --- a/lib/swiotlb.c +++ b/lib/swiotlb.c @@ -549,7 +549,7 @@ swiotlb_alloc_coherent(struct device *hwdev, size_t size, dma_mask = hwdev->coherent_dma_mask; ret = (void *)__get_free_pages(flags, order); - if (ret && swiotlb_virt_to_bus(hwdev, ret) + size > dma_mask) { + if (ret && swiotlb_virt_to_bus(hwdev, ret) + size - 1 > dma_mask) { /* * The allocated memory isn't reachable by the device. */ @@ -571,7 +571,7 @@ swiotlb_alloc_coherent(struct device *hwdev, size_t size, dev_addr = swiotlb_virt_to_bus(hwdev, ret); /* Confirm address can be DMA'd by device */ - if (dev_addr + size > dma_mask) { + if (dev_addr + size - 1 > dma_mask) { printk("hwdev DMA mask = 0x%016Lx, dev_addr = 0x%016Lx\n", (unsigned long long)dma_mask, (unsigned long long)dev_addr); |