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parisc: BUG_ON() cleanup 

- convert a few "if (xx) BUG();" to BUG_ON(xx)
- remove a few printk()s, as we get a backtrace with BUG_ON() anyway

Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
This commit is contained in:
Helge Deller 2009-01-06 12:57:01 +01:00 committed by Kyle McMartin
parent 041b62374c
commit 8980a7baf9
3 changed files with 9 additions and 24 deletions
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5
arch/parisc/kernel/cache.c
View File

@ -551,10 +551,7 @@ void flush_cache_range(struct vm_area_struct *vma,
{
int sr3;
if (!vma->vm_mm->context) {
BUG();
return;
}
BUG_ON(!vma->vm_mm->context);
sr3 = mfsp(3);
if (vma->vm_mm->context == sr3) {

22
arch/parisc/kernel/pci-dma.c
View File

@ -447,10 +447,7 @@ static void pa11_dma_free_consistent (struct device *dev, size_t size, void *vad
static dma_addr_t pa11_dma_map_single(struct device *dev, void *addr, size_t size, enum dma_data_direction direction)
{
if (direction == DMA_NONE) {
printk(KERN_ERR "pa11_dma_map_single(PCI_DMA_NONE) called by %p\n", __builtin_return_address(0));
BUG();
}
BUG_ON(direction == DMA_NONE);
flush_kernel_dcache_range((unsigned long) addr, size);
return virt_to_phys(addr);
@ -458,10 +455,7 @@ static dma_addr_t pa11_dma_map_single(struct device *dev, void *addr, size_t siz
static void pa11_dma_unmap_single(struct device *dev, dma_addr_t dma_handle, size_t size, enum dma_data_direction direction)
{
if (direction == DMA_NONE) {
printk(KERN_ERR "pa11_dma_unmap_single(PCI_DMA_NONE) called by %p\n", __builtin_return_address(0));
BUG();
}
BUG_ON(direction == DMA_NONE);
if (direction == DMA_TO_DEVICE)
return;
@ -480,8 +474,7 @@ static int pa11_dma_map_sg(struct device *dev, struct scatterlist *sglist, int n
{
int i;
if (direction == DMA_NONE)
BUG();
BUG_ON(direction == DMA_NONE);
for (i = 0; i < nents; i++, sglist++ ) {
unsigned long vaddr = sg_virt_addr(sglist);
@ -496,8 +489,7 @@ static void pa11_dma_unmap_sg(struct device *dev, struct scatterlist *sglist, in
{
int i;
if (direction == DMA_NONE)
BUG();
BUG_ON(direction == DMA_NONE);
if (direction == DMA_TO_DEVICE)
return;
@ -511,16 +503,14 @@ static void pa11_dma_unmap_sg(struct device *dev, struct scatterlist *sglist, in
static void pa11_dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle, unsigned long offset, size_t size, enum dma_data_direction direction)
{
if (direction == DMA_NONE)
BUG();
BUG_ON(direction == DMA_NONE);
flush_kernel_dcache_range((unsigned long) phys_to_virt(dma_handle) + offset, size);
}
static void pa11_dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle, unsigned long offset, size_t size, enum dma_data_direction direction)
{
if (direction == DMA_NONE)
BUG();
BUG_ON(direction == DMA_NONE);
flush_kernel_dcache_range((unsigned long) phys_to_virt(dma_handle) + offset, size);
}

6
arch/parisc/mm/init.c
View File

@ -304,10 +304,8 @@ static void __init setup_bootmem(void)
*/
max_low_pfn = max_pfn;
if ((bootmap_pfn - bootmap_start_pfn) != bootmap_pages) {
printk(KERN_WARNING "WARNING! bootmap sizing is messed up!\n");
BUG();
}
/* bootmap sizing messed up? */
BUG_ON((bootmap_pfn - bootmap_start_pfn) != bootmap_pages);
/* reserve PAGE0 pdc memory, kernel text/data/bss & bootmap */