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MIPS: Use BUG_ON() where possible.

Browse Source 
Based on original patch by Stoyan Gaydarov <stoyboyker@gmail.com> which
missed a few places.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ralf Baechle 2009-03-30 14:49:44 +02:00
parent ae03550500
commit b72b7092f8
5 changed files with 9 additions and 18 deletions
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3
arch/mips/jazz/jazzdma.c
View File

@ -68,8 +68,7 @@ static int __init vdma_init(void)
*/
pgtbl = (VDMA_PGTBL_ENTRY *)__get_free_pages(GFP_KERNEL | GFP_DMA,
get_order(VDMA_PGTBL_SIZE));
if (!pgtbl)
BUG();
BUG_ON(!pgtbl);
dma_cache_wback_inv((unsigned long)pgtbl, VDMA_PGTBL_SIZE);
pgtbl = (VDMA_PGTBL_ENTRY *)KSEG1ADDR(pgtbl);

3
arch/mips/kernel/traps.c
View File

@ -1277,8 +1277,7 @@ static void *set_vi_srs_handler(int n, vi_handler_t addr, int srs)
u32 *w;
unsigned char *b;
if (!cpu_has_veic && !cpu_has_vint)
BUG();
BUG_ON(!cpu_has_veic && !cpu_has_vint);
if (addr == NULL) {
handler = (unsigned long) do_default_vi;

9
arch/mips/mm/highmem.c
View File

@ -17,8 +17,7 @@ void *__kmap(struct page *page)
void __kunmap(struct page *page)
{
if (in_interrupt())
BUG();
BUG_ON(in_interrupt());
if (!PageHighMem(page))
return;
kunmap_high(page);
@ -46,8 +45,7 @@ void *__kmap_atomic(struct page *page, enum km_type type)
idx = type + KM_TYPE_NR*smp_processor_id();
vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx);
#ifdef CONFIG_DEBUG_HIGHMEM
if (!pte_none(*(kmap_pte-idx)))
BUG();
BUG_ON(!pte_none(*(kmap_pte - idx)));
#endif
set_pte(kmap_pte-idx, mk_pte(page, kmap_prot));
local_flush_tlb_one((unsigned long)vaddr);
@ -66,8 +64,7 @@ void __kunmap_atomic(void *kvaddr, enum km_type type)
return;
}
if (vaddr != __fix_to_virt(FIX_KMAP_BEGIN+idx))
BUG();
BUG_ON(vaddr != __fix_to_virt(FIX_KMAP_BEGIN + idx));
/*
* force other mappings to Oops if they'll try to access

3
arch/mips/mm/init.c
View File

@ -307,8 +307,7 @@ void __init fixrange_init(unsigned long start, unsigned long end,
if (pmd_none(*pmd)) {
pte = (pte_t *) alloc_bootmem_low_pages(PAGE_SIZE);
set_pmd(pmd, __pmd((unsigned long)pte));
if (pte != pte_offset_kernel(pmd, 0))
BUG();
BUG_ON(pte != pte_offset_kernel(pmd, 0));
}
vaddr += PMD_SIZE;
}

9
arch/mips/mm/ioremap.c
View File

@ -27,8 +27,7 @@ static inline void remap_area_pte(pte_t * pte, unsigned long address,
end = address + size;
if (end > PMD_SIZE)
end = PMD_SIZE;
if (address >= end)
BUG();
BUG_ON(address >= end);
pfn = phys_addr >> PAGE_SHIFT;
do {
if (!pte_none(*pte)) {
@ -52,8 +51,7 @@ static inline int remap_area_pmd(pmd_t * pmd, unsigned long address,
if (end > PGDIR_SIZE)
end = PGDIR_SIZE;
phys_addr -= address;
if (address >= end)
BUG();
BUG_ON(address >= end);
do {
pte_t * pte = pte_alloc_kernel(pmd, address);
if (!pte)
@ -75,8 +73,7 @@ static int remap_area_pages(unsigned long address, phys_t phys_addr,
phys_addr -= address;
dir = pgd_offset(&init_mm, address);
flush_cache_all();
if (address >= end)
BUG();
BUG_ON(address >= end);
do {
pud_t *pud;
pmd_t *pmd;