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| author | Sasha Levin <sasha.levin@oracle.com> | 2012-11-08 15:23:04 -0500 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2012-11-08 22:42:02 +0100 |
| commit | 8166ea07cb89208f6beb9aa6aed554250f150cc8 (patch) | |
| tree | 61819564104958cdb33a1130360b832600d6746b /arch/alpha/kernel/pci_iommu.c | |
| parent | 926ccfef82413623ae0e5c3a32d0cad2b9f33e96 (diff) | |
| download | blackbird-op-linux-8166ea07cb89208f6beb9aa6aed554250f150cc8.tar.gz blackbird-op-linux-8166ea07cb89208f6beb9aa6aed554250f150cc8.zip | |
alpha: use BUG_ON where possible
Just use BUG_ON() instead of constructions such as:
if (...)
BUG()
A simplified version of the semantic patch that makes this transformation
is as follows: (http://coccinelle.lip6.fr/)
// <smpl>
@@
expression e;
@@
- if (e) BUG();
+ BUG_ON(e);
// </smpl>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'arch/alpha/kernel/pci_iommu.c')
| -rw-r--r-- | arch/alpha/kernel/pci_iommu.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/arch/alpha/kernel/pci_iommu.c b/arch/alpha/kernel/pci_iommu.c index 3f844d26d2c7..a21d0ab3b19e 100644 --- a/arch/alpha/kernel/pci_iommu.c +++ b/arch/alpha/kernel/pci_iommu.c @@ -354,8 +354,7 @@ static dma_addr_t alpha_pci_map_page(struct device *dev, struct page *page, struct pci_dev *pdev = alpha_gendev_to_pci(dev); int dac_allowed; - if (dir == PCI_DMA_NONE) - BUG(); + BUG_ON(dir == PCI_DMA_NONE); dac_allowed = pdev ? pci_dac_dma_supported(pdev, pdev->dma_mask) : 0; return pci_map_single_1(pdev, (char *)page_address(page) + offset, @@ -378,8 +377,7 @@ static void alpha_pci_unmap_page(struct device *dev, dma_addr_t dma_addr, struct pci_iommu_arena *arena; long dma_ofs, npages; - if (dir == PCI_DMA_NONE) - BUG(); + BUG_ON(dir == PCI_DMA_NONE); if (dma_addr >= __direct_map_base && dma_addr < __direct_map_base + __direct_map_size) { @@ -662,8 +660,7 @@ static int alpha_pci_map_sg(struct device *dev, struct scatterlist *sg, dma_addr_t max_dma; int dac_allowed; - if (dir == PCI_DMA_NONE) - BUG(); + BUG_ON(dir == PCI_DMA_NONE); dac_allowed = dev ? pci_dac_dma_supported(pdev, pdev->dma_mask) : 0; @@ -742,8 +739,7 @@ static void alpha_pci_unmap_sg(struct device *dev, struct scatterlist *sg, dma_addr_t max_dma; dma_addr_t fbeg, fend; - if (dir == PCI_DMA_NONE) - BUG(); + BUG_ON(dir == PCI_DMA_NONE); if (! alpha_mv.mv_pci_tbi) return; |
