[IA64] virt_to_page() can be called with NULL arg
It does not return NULL when arg is NULL.
Signed-off-by: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
Signed-off-by: Kirill Korotaev <dev@openvz.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>
diff --git a/include/asm-ia64/pgalloc.h b/include/asm-ia64/pgalloc.h
index 393e04c..560c287 100644
--- a/include/asm-ia64/pgalloc.h
+++ b/include/asm-ia64/pgalloc.h
@@ -137,7 +137,8 @@
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,