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 <[e-mail]>
Signed-off-by: Kyle McMartin <[e-mail]>

arch/parisc/kernel/cache.c

···
 {
 	int sr3;
 
-	if (!vma->vm_mm->context) {
-		BUG();
-		return;
-	}
+	BUG_ON(!vma->vm_mm->context);
 
 	sr3 = mfsp(3);
 	if (vma->vm_mm->context == sr3) {

arch/parisc/kernel/pci-dma.c

···
 
 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);
···
 
 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;
···
 {
 	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);
···
 {
 	int i;
 
-	if (direction == DMA_NONE)
-	    BUG();
+	BUG_ON(direction == DMA_NONE);
 
 	if (direction == DMA_TO_DEVICE)
 	    return;
···
 
 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);
 }

arch/parisc/mm/init.c

···
 	 */
 	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 */