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authorHeiko Carstens <heiko.carstens@de.ibm.com>2012-09-14 11:09:52 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2012-09-26 15:45:23 +0200
commit41459d36cf0d57813017dae6080a879cc038e5fe (patch)
tree61c0baebaf1ed70a5c733668f93961f9e903f1ae /arch/s390/mm
parent6b563d8c26735a76d84664d1b48271c432d63983 (diff)
s390: add uninitialized_var() to suppress false positive compiler warnings
Get rid of these: arch/s390/kernel/smp.c:134:19: warning: ‘status’ may be used uninitialized in this function [-Wuninitialized] arch/s390/mm/pgtable.c:641:10: warning: ‘table’ may be used uninitialized in this function [-Wuninitialized] arch/s390/mm/pgtable.c:644:12: warning: ‘page’ may be used uninitialized in this function [-Wuninitialized] drivers/s390/cio/cio.c:1037:14: warning: ‘schid’ may be used uninitialized in this function [-Wuninitialized] Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/mm')
-rw-r--r--arch/s390/mm/pgtable.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/s390/mm/pgtable.c b/arch/s390/mm/pgtable.c
index d83ecbf0201..b402991e43d 100644
--- a/arch/s390/mm/pgtable.c
+++ b/arch/s390/mm/pgtable.c
@@ -609,8 +609,8 @@ static inline unsigned int atomic_xor_bits(atomic_t *v, unsigned int bits)
*/
unsigned long *page_table_alloc(struct mm_struct *mm, unsigned long vmaddr)
{
- struct page *page;
- unsigned long *table;
+ unsigned long *uninitialized_var(table);
+ struct page *uninitialized_var(page);
unsigned int mask, bit;
if (mm_has_pgste(mm))