From: Kirill Korotaev Date: Tue, 6 Feb 2007 00:20:00 +0000 (-0800) Subject: [IA64] virt_to_page() can be called with NULL arg X-Git-Tag: v2.6.21-rc2~42^2~16^2~8 X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=71120061f271f00d8280659bf12e065ca6533d4d;p=linux-2.6-omap-h63xx.git [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 --- diff --git a/include/asm-ia64/pgalloc.h b/include/asm-ia64/pgalloc.h index 393e04c42a2..560c287b123 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,