From: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx> In case of error, the function follow_page() returns ERR_PTR() or NULL pointer. The NULL test in the error handling should be replaced with IS_ERR_OR_NULL(). dpatch engine is used to auto generated this patch. (https://github.com/weiyj/dpatch) Signed-off-by: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx> --- arch/ia64/xen/xencomm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/ia64/xen/xencomm.c b/arch/ia64/xen/xencomm.c index 1f5d7ac..cf4752f 100644 --- a/arch/ia64/xen/xencomm.c +++ b/arch/ia64/xen/xencomm.c @@ -98,7 +98,7 @@ xencomm_vtop(unsigned long vaddr) /* We assume the page is modified. */ page = follow_page(vma, vaddr, FOLL_WRITE | FOLL_TOUCH); - if (!page) + if (IS_ERR_OR_NULL(page)) return ~0UL; return (page_to_pfn(page) << PAGE_SHIFT) | (vaddr & ~PAGE_MASK); -- To unsubscribe from this list: send the line "unsubscribe linux-ia64" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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