Al Viro <[email protected]> writes:
> On Fri, Jul 27, 2007 at 11:44:35AM +0200, Yoann Padioleau wrote:
>> pte = pte_alloc_kernel(pme, va);
>> - if (pte != 0) {
>> + if (pte != NULL) {
>> err = 0;
>> set_pte(pte, mk_pte_phys(pa & PAGE_MASK, prot));
>> }
>> @@ -99,7 +99,7 @@ void *consistent_alloc(gfp_t gfp, size_t
>>
>> /* allocate some common virtual space to map the new pages */
>> area = get_vm_area(size, VM_ALLOC);
>> - if (area == 0) {
>> + if (area == NULL) {
>> free_pages(page, order);
>> return NULL;
>
> Same comment about comparisons with NULL after allocation...
I don't understand. pte is a pointer right ? So why should we
keep the == 0 ?
-
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