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| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2012-09-14 11:09:52 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2012-09-26 15:45:23 +0200 |
| commit | 41459d36cf0d57813017dae6080a879cc038e5fe (patch) | |
| tree | 61c0baebaf1ed70a5c733668f93961f9e903f1ae /arch/s390 | |
| parent | 6b563d8c26735a76d84664d1b48271c432d63983 (diff) | |
| download | linux-41459d36cf0d57813017dae6080a879cc038e5fe.tar.bz2 | |
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')
| -rw-r--r-- | arch/s390/kernel/smp.c | 2 | ||||
| -rw-r--r-- | arch/s390/mm/pgtable.c | 4 |
2 files changed, 3 insertions, 3 deletions
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c index 8676aab6ea6a..ea431e551c6b 100644 --- a/arch/s390/kernel/smp.c +++ b/arch/s390/kernel/smp.c @@ -126,7 +126,7 @@ static int pcpu_sigp_retry(struct pcpu *pcpu, u8 order, u32 parm) static inline int pcpu_stopped(struct pcpu *pcpu) { - u32 status; + u32 uninitialized_var(status); if (__pcpu_sigp(pcpu->address, SIGP_SENSE, 0, &status) != SIGP_CC_STATUS_STORED) diff --git a/arch/s390/mm/pgtable.c b/arch/s390/mm/pgtable.c index d83ecbf02018..b402991e43d7 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)) |