diff options
| author | Geert Uytterhoeven | 2018-06-21 21:24:44 +0200 |
|---|---|---|
| committer | Yoshinori Sato | 2018-08-22 19:14:19 +0900 |
| commit | 5743ee22bf3f8842f2330925434a727e1044e2a1 (patch) | |
| tree | ff05cfa976aafa90fb6f8f1895fe4cd820ab6e16 /arch/h8300 | |
| parent | 558e6694cd4da8db31c2d4850c4823efa5dc77e9 (diff) | |
h8300: Correct signature of test_bit()
mm/filemap.c: In function 'clear_bit_unlock_is_negative_byte':
mm/filemap.c:1181:30: warning: passing argument 2 of 'test_bit' discards 'volatile' qualifier from pointer target type [-Wdiscarded-qualifiers]
return test_bit(PG_waiters, mem);
^~~
In file included from include/linux/bitops.h:38,
from include/linux/kernel.h:11,
from include/linux/list.h:9,
from include/linux/wait.h:7,
from include/linux/wait_bit.h:8,
from include/linux/fs.h:6,
from include/linux/dax.h:5,
from mm/filemap.c:14:
arch/h8300/include/asm/bitops.h:69:57: note: expected 'const long unsigned int *' but argument is of type 'volatile void *'
static inline int test_bit(int nr, const unsigned long *addr)
~~~~~~~~~~~~~~~~~~~~~^~~~
Make the bitmask pointed to by the "addr" parameter volatile to fix
this, like is done on other architectures.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Diffstat (limited to 'arch/h8300')
| -rw-r--r-- | arch/h8300/include/asm/bitops.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/h8300/include/asm/bitops.h b/arch/h8300/include/asm/bitops.h index b7ac7cf6f0de..647a83bd40b7 100644 --- a/arch/h8300/include/asm/bitops.h +++ b/arch/h8300/include/asm/bitops.h @@ -66,7 +66,7 @@ H8300_GEN_BITOP(change_bit, "bnot") #undef H8300_GEN_BITOP -static inline int test_bit(int nr, const unsigned long *addr) +static inline int test_bit(int nr, const volatile unsigned long *addr) { int ret = 0; unsigned char *b_addr; |