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arm, ubifs: fix gcc5.x compiler warning 

compiling U-Boot for openrd_base_defconfig with
gcc 5.x shows the following warning:

  CC      fs/ubifs/super.o
In file included from fs/ubifs/ubifs.h:35:0,
                 from fs/ubifs/super.c:37:
fs/ubifs/super.c: In function 'atomic_inc':
./arch/arm/include/asm/atomic.h:55:2: warning: 'flags' is used uninitialized in this function [-Wuninitialized]
  local_irq_save(flags);
  ^
fs/ubifs/super.c: In function 'atomic_dec':
./arch/arm/include/asm/atomic.h:64:2: warning: 'flags' is used uninitialized in this function [-Wuninitialized]
  local_irq_save(flags);
  ^
  CC      fs/ubifs/sb.o
[...]
  CC      fs/ubifs/lpt.o
In file included from include/linux/bitops.h:123:0,
                 from include/common.h:20,
                 from include/ubi_uboot.h:17,
                 from fs/ubifs/ubifs.h:37,
                 from fs/ubifs/lpt.c:35:
fs/ubifs/lpt.c: In function 'test_and_set_bit':
./arch/arm/include/asm/bitops.h:57:2: warning: 'flags' is used uninitialized in this function [-Wuninitialized]
  local_irq_save(flags);
  ^
  CC      fs/ubifs/lpt_commit.o
In file included from include/linux/bitops.h:123:0,
                 from include/common.h:20,
                 from include/ubi_uboot.h:17,
                 from fs/ubifs/ubifs.h:37,
                 from fs/ubifs/lpt_commit.c:26:
fs/ubifs/lpt_commit.c: In function 'test_and_set_bit':
./arch/arm/include/asm/bitops.h:57:2: warning: 'flags' is used uninitialized in this function [-Wuninitialized]
  local_irq_save(flags);
  ^
  CC      fs/ubifs/scan.o
  CC      fs/ubifs/lprops.o
  CC      fs/ubifs/tnc.o
In file included from include/linux/bitops.h:123:0,
                 from include/common.h:20,
                 from include/ubi_uboot.h:17,
                 from fs/ubifs/ubifs.h:37,
                 from fs/ubifs/tnc.c:30:
fs/ubifs/tnc.c: In function 'test_and_set_bit':
./arch/arm/include/asm/bitops.h:57:2: warning: 'flags' is used uninitialized in this function [-Wuninitialized]
  local_irq_save(flags);
  ^
  CC      fs/ubifs/tnc_misc.o

Fix it.

Signed-off-by: Heiko Schocher <hs@denx.de>
This commit is contained in:
Heiko Schocher 2015-11-30 08:47:42 +01:00 committed by Tom Rini
parent 048c61d674
commit 1d48ca69e5
2 changed files with 9 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
arch/arm/include/asm/atomic.h
View File

@ -32,7 +32,7 @@ typedef struct { volatile int counter; } atomic_t;
static inline void atomic_add(int i, volatile atomic_t *v)
{
unsigned long flags;
unsigned long flags = 0;
local_irq_save(flags);
v->counter += i;
@ -41,7 +41,7 @@ static inline void atomic_add(int i, volatile atomic_t *v)
static inline void atomic_sub(int i, volatile atomic_t *v)
{
unsigned long flags;
unsigned long flags = 0;
local_irq_save(flags);
v->counter -= i;
@ -50,7 +50,7 @@ static inline void atomic_sub(int i, volatile atomic_t *v)
static inline void atomic_inc(volatile atomic_t *v)
{
unsigned long flags;
unsigned long flags = 0;
local_irq_save(flags);
v->counter += 1;
@ -59,7 +59,7 @@ static inline void atomic_inc(volatile atomic_t *v)
static inline void atomic_dec(volatile atomic_t *v)
{
unsigned long flags;
unsigned long flags = 0;
local_irq_save(flags);
v->counter -= 1;
@ -68,7 +68,7 @@ static inline void atomic_dec(volatile atomic_t *v)
static inline int atomic_dec_and_test(volatile atomic_t *v)
{
unsigned long flags;
unsigned long flags = 0;
int val;
local_irq_save(flags);
@ -81,7 +81,7 @@ static inline int atomic_dec_and_test(volatile atomic_t *v)
static inline int atomic_add_negative(int i, volatile atomic_t *v)
{
unsigned long flags;
unsigned long flags = 0;
int val;
local_irq_save(flags);
@ -94,7 +94,7 @@ static inline int atomic_add_negative(int i, volatile atomic_t *v)
static inline void atomic_clear_mask(unsigned long mask, unsigned long *addr)
{
unsigned long flags;
unsigned long flags = 0;
local_irq_save(flags);
*addr &= ~mask;

4
arch/arm/include/asm/bitops.h
View File

@ -51,7 +51,7 @@ static inline int __test_and_set_bit(int nr, volatile void *addr)
static inline int test_and_set_bit(int nr, volatile void * addr)
{
unsigned long flags;
unsigned long flags = 0;
int out;
local_irq_save(flags);
@ -73,7 +73,7 @@ static inline int __test_and_clear_bit(int nr, volatile void *addr)
static inline int test_and_clear_bit(int nr, volatile void * addr)
{
unsigned long flags;
unsigned long flags = 0;
int out;
local_irq_save(flags);