[S390] missing return in page_table_alloc_pgste
Jan Glauber [Wed, 3 Aug 2011 14:44:18 +0000 (16:44 +0200)]
Fix the following compile warning for !CONFIG_PGSTE:

CC arch/s390/mm/pgtable.o
arch/s390/mm/pgtable.c: In function ‘page_table_alloc_pgste’:
arch/s390/mm/pgtable.c:531:1: warning: no return statement in function returning non-void [-Wreturn-type]

Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>

arch/s390/mm/pgtable.c

index 2adb239..4d1f2bc 100644 (file)
@@ -528,6 +528,7 @@ static inline void page_table_free_pgste(unsigned long *table)
 static inline unsigned long *page_table_alloc_pgste(struct mm_struct *mm,
                                                    unsigned long vmaddr)
 {
+       return NULL;
 }
 
 static inline void page_table_free_pgste(unsigned long *table)