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Date: Wed, 11 Mar 2009 20:18:14 +0100
From: Ralf Baechle <ralf@...ux-mips.org>
To: Stoyan Gaydarov <stoyboyker@...il.com>
Cc: linux-kernel@...r.kernel.org, linux-mips@...ux-mips.org
Subject: Re: [PATCH 06/25] [mips] BUG to BUG_ON changes
On Tue, Mar 10, 2009 at 12:10:31AM -0500, Stoyan Gaydarov wrote:
I wonder if this patch series was generated with
http://www.emn.fr/x-info/coccinelle/rules/bugon.html ? That semantic
patch misses the same places that your patch is missing. The patch below
should catch all occurances below arch/mips.
Ralf
Signed-off-by: Ralf Baechle <ralf@...ux-mips.org>
arch/mips/jazz/jazzdma.c | 3 +--
arch/mips/kernel/traps.c | 3 +--
arch/mips/mm/highmem.c | 9 +++------
arch/mips/mm/init.c | 3 +--
arch/mips/mm/ioremap.c | 9 +++------
5 files changed, 9 insertions(+), 18 deletions(-)
diff --git a/arch/mips/jazz/jazzdma.c b/arch/mips/jazz/jazzdma.c
index c672c08..f0fd636 100644
--- a/arch/mips/jazz/jazzdma.c
+++ b/arch/mips/jazz/jazzdma.c
@@ -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);
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index b2d7041..89956d5 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -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;
diff --git a/arch/mips/mm/highmem.c b/arch/mips/mm/highmem.c
index 8f2cd8e..060d28d 100644
--- a/arch/mips/mm/highmem.c
+++ b/arch/mips/mm/highmem.c
@@ -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
diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c
index 137c14b..d934894 100644
--- a/arch/mips/mm/init.c
+++ b/arch/mips/mm/init.c
@@ -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;
}
diff --git a/arch/mips/mm/ioremap.c b/arch/mips/mm/ioremap.c
index 59945b9..0c43248 100644
--- a/arch/mips/mm/ioremap.c
+++ b/arch/mips/mm/ioremap.c
@@ -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;
--
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