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authorJaroslav Kysela <perex@perex.cz>2010-01-08 09:11:18 +0100
committerJaroslav Kysela <perex@perex.cz>2010-01-08 09:11:18 +0100
commita4ad68d57e4dc4138304df23d1817eb094149389 (patch)
treeca7d8c4ce5377c4251560de06e15dd7be7063351 /lib/swiotlb.c
parentcd9d95a55550555da8e587ead9cbba5f98a371a3 (diff)
parentc97259df3f2e163c72f4d0685c61fb2e026dc989 (diff)
Merge branch 'topic/hda' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6 into devel
Diffstat (limited to 'lib/swiotlb.c')
-rw-r--r--lib/swiotlb.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/swiotlb.c b/lib/swiotlb.c
index 5bc01803f8f8..437eedb5a53b 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);