From 71120061f271f00d8280659bf12e065ca6533d4d Mon Sep 17 00:00:00 2001 From: Kirill Korotaev Date: Mon, 5 Feb 2007 16:20:00 -0800 Subject: [PATCH] [IA64] virt_to_page() can be called with NULL arg It does not return NULL when arg is NULL. Signed-off-by: Alexey Kuznetsov Signed-off-by: Kirill Korotaev Signed-off-by: Andrew Morton Signed-off-by: Tony Luck --- include/asm-ia64/pgalloc.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/include/asm-ia64/pgalloc.h b/include/asm-ia64/pgalloc.h index 393e04c42a..560c287b12 100644 --- a/include/asm-ia64/pgalloc.h +++ b/include/asm-ia64/pgalloc.h @@ -137,7 +137,8 @@ pmd_populate_kernel(struct mm_struct *mm, pmd_t * pmd_entry, pte_t * pte) static inline struct page *pte_alloc_one(struct mm_struct *mm, unsigned long addr) { - return virt_to_page(pgtable_quicklist_alloc()); + void *pg = pgtable_quicklist_alloc(); + return pg ? virt_to_page(pg) : NULL; } static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, -- 2.39.5