diff options
| author | FUJITA Tomonori <[email protected]> | 2009-11-15 21:19:54 +0900 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2009-11-17 07:53:21 +0100 |
| commit | 1f7564ca831a00b21bb493ef174c845b2ba9e64d (patch) | |
| tree | e4f536471c454d4c85398eabbbde759ca105e0f3 | |
| parent | 8fd524b355daef0945692227e726fb444cebcd4f (diff) | |
x86: Calgary: Remove unnecessary DMA_ERROR_CODE usage
This cleans up iommu_alloc() a bit and removes unnecessary
DMA_ERROR_CODE usage.
Signed-off-by: FUJITA Tomonori <[email protected]>
Acked-by: Jesse Barnes <[email protected]>
Cc: [email protected]
Cc: [email protected]
LKML-Reference: <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
| -rw-r--r-- | arch/x86/kernel/pci-calgary_64.c | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/arch/x86/kernel/pci-calgary_64.c b/arch/x86/kernel/pci-calgary_64.c index af9f436096a2..849a0995d970 100644 --- a/arch/x86/kernel/pci-calgary_64.c +++ b/arch/x86/kernel/pci-calgary_64.c @@ -261,12 +261,15 @@ static dma_addr_t iommu_alloc(struct device *dev, struct iommu_table *tbl, void *vaddr, unsigned int npages, int direction) { unsigned long entry; - dma_addr_t ret = DMA_ERROR_CODE; + dma_addr_t ret; entry = iommu_range_alloc(dev, tbl, npages); - if (unlikely(entry == DMA_ERROR_CODE)) - goto error; + if (unlikely(entry == DMA_ERROR_CODE)) { + printk(KERN_WARNING "Calgary: failed to allocate %u pages in " + "iommu %p\n", npages, tbl); + return DMA_ERROR_CODE; + } /* set the return dma address */ ret = (entry << PAGE_SHIFT) | ((unsigned long)vaddr & ~PAGE_MASK); @@ -274,13 +277,7 @@ static dma_addr_t iommu_alloc(struct device *dev, struct iommu_table *tbl, /* put the TCEs in the HW table */ tce_build(tbl, entry, npages, (unsigned long)vaddr & PAGE_MASK, direction); - return ret; - -error: - printk(KERN_WARNING "Calgary: failed to allocate %u pages in " - "iommu %p\n", npages, tbl); - return DMA_ERROR_CODE; } static void iommu_free(struct iommu_table *tbl, dma_addr_t dma_addr, |