diff options
author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-25 08:41:09 -0800 |
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committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-25 08:41:09 -0800 |
commit | 1e8c573933fd7975679766850252ad08667e5ca4 (patch) | |
tree | 9600d0c7ee5ea8925f3c4dc30680c819e0363805 /lib/swiotlb.c | |
parent | d71eecf3b8e893757cc3dec560c96a32ac090890 (diff) | |
parent | 232443e2c90cc2930624dec89df327615b002c55 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial
* git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial: (21 commits)
BUG_ON() Conversion in drivers/video/
BUG_ON() Conversion in drivers/parisc/
BUG_ON() Conversion in drivers/block/
BUG_ON() Conversion in sound/sparc/cs4231.c
BUG_ON() Conversion in drivers/s390/block/dasd.c
BUG_ON() Conversion in lib/swiotlb.c
BUG_ON() Conversion in kernel/cpu.c
BUG_ON() Conversion in ipc/msg.c
BUG_ON() Conversion in block/elevator.c
BUG_ON() Conversion in fs/coda/
BUG_ON() Conversion in fs/binfmt_elf_fdpic.c
BUG_ON() Conversion in input/serio/hil_mlc.c
BUG_ON() Conversion in md/dm-hw-handler.c
BUG_ON() Conversion in md/bitmap.c
The comment describing how MS_ASYNC works in msync.c is confusing
rcu: undeclared variable used in documentation
fix typos "wich" -> "which"
typo patch for fs/ufs/super.c
Fix simple typos
tabify drivers/char/Makefile
...
Diffstat (limited to 'lib/swiotlb.c')
-rw-r--r-- | lib/swiotlb.c | 32 |
1 files changed, 12 insertions, 20 deletions
diff --git a/lib/swiotlb.c b/lib/swiotlb.c index 0af497b6b9a..10625785eef 100644 --- a/lib/swiotlb.c +++ b/lib/swiotlb.c @@ -296,8 +296,7 @@ map_single(struct device *hwdev, char *buffer, size_t size, int dir) else stride = 1; - if (!nslots) - BUG(); + BUG_ON(!nslots); /* * Find suitable number of IO TLB entries size that will fit this @@ -416,14 +415,14 @@ sync_single(struct device *hwdev, char *dma_addr, size_t size, case SYNC_FOR_CPU: if (likely(dir == DMA_FROM_DEVICE || dir == DMA_BIDIRECTIONAL)) memcpy(buffer, dma_addr, size); - else if (dir != DMA_TO_DEVICE) - BUG(); + else + BUG_ON(dir != DMA_TO_DEVICE); break; case SYNC_FOR_DEVICE: if (likely(dir == DMA_TO_DEVICE || dir == DMA_BIDIRECTIONAL)) memcpy(dma_addr, buffer, size); - else if (dir != DMA_FROM_DEVICE) - BUG(); + else + BUG_ON(dir != DMA_FROM_DEVICE); break; default: BUG(); @@ -529,8 +528,7 @@ swiotlb_map_single(struct device *hwdev, void *ptr, size_t size, int dir) unsigned long dev_addr = virt_to_phys(ptr); void *map; - if (dir == DMA_NONE) - BUG(); + BUG_ON(dir == DMA_NONE); /* * If the pointer passed in happens to be in the device's DMA window, * we can safely return the device addr and not worry about bounce @@ -592,8 +590,7 @@ swiotlb_unmap_single(struct device *hwdev, dma_addr_t dev_addr, size_t size, { char *dma_addr = phys_to_virt(dev_addr); - if (dir == DMA_NONE) - BUG(); + BUG_ON(dir == DMA_NONE); if (dma_addr >= io_tlb_start && dma_addr < io_tlb_end) unmap_single(hwdev, dma_addr, size, dir); else if (dir == DMA_FROM_DEVICE) @@ -616,8 +613,7 @@ swiotlb_sync_single(struct device *hwdev, dma_addr_t dev_addr, { char *dma_addr = phys_to_virt(dev_addr); - if (dir == DMA_NONE) - BUG(); + BUG_ON(dir == DMA_NONE); if (dma_addr >= io_tlb_start && dma_addr < io_tlb_end) sync_single(hwdev, dma_addr, size, dir, target); else if (dir == DMA_FROM_DEVICE) @@ -648,8 +644,7 @@ swiotlb_sync_single_range(struct device *hwdev, dma_addr_t dev_addr, { char *dma_addr = phys_to_virt(dev_addr) + offset; - if (dir == DMA_NONE) - BUG(); + BUG_ON(dir == DMA_NONE); if (dma_addr >= io_tlb_start && dma_addr < io_tlb_end) sync_single(hwdev, dma_addr, size, dir, target); else if (dir == DMA_FROM_DEVICE) @@ -696,8 +691,7 @@ swiotlb_map_sg(struct device *hwdev, struct scatterlist *sg, int nelems, unsigned long dev_addr; int i; - if (dir == DMA_NONE) - BUG(); + BUG_ON(dir == DMA_NONE); for (i = 0; i < nelems; i++, sg++) { addr = SG_ENT_VIRT_ADDRESS(sg); @@ -730,8 +724,7 @@ swiotlb_unmap_sg(struct device *hwdev, struct scatterlist *sg, int nelems, { int i; - if (dir == DMA_NONE) - BUG(); + BUG_ON(dir == DMA_NONE); for (i = 0; i < nelems; i++, sg++) if (sg->dma_address != SG_ENT_PHYS_ADDRESS(sg)) @@ -753,8 +746,7 @@ swiotlb_sync_sg(struct device *hwdev, struct scatterlist *sg, { int i; - if (dir == DMA_NONE) - BUG(); + BUG_ON(dir == DMA_NONE); for (i = 0; i < nelems; i++, sg++) if (sg->dma_address != SG_ENT_PHYS_ADDRESS(sg)) |