mm/filemap.c: In function ‘clear_bit_unlock_is_negative_byte’:
mm/filemap.c:933: warning: passing argument 2 of ‘test_bit’ discards qualifiers
from pointer target type
Make the bitmask pointed to by the "vaddr" parameter volatile to fix
this, like is done on other architectures.
Signed-off-by: Geert Uytterhoeven <ge...@linux-m68k.org>
---
Exposed by commit 98473f9f3f9bd404 ("mm/filemap: fix parameters to
test_bit()").
---
arch/m68k/include/asm/bitops.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/m68k/include/asm/bitops.h b/arch/m68k/include/asm/bitops.h
index b4a9b0d5928dfb33..dda58cfe8c22a3ec 100644
--- a/arch/m68k/include/asm/bitops.h
+++ b/arch/m68k/include/asm/bitops.h
@@ -148,7 +148,7 @@ static inline void bfchg_mem_change_bit(int nr, volatile
unsigned long *vaddr)
#define __change_bit(nr, vaddr) change_bit(nr, vaddr)
-static inline int test_bit(int nr, const unsigned long *vaddr)
+static inline int test_bit(int nr, const volatile unsigned long *vaddr)
{
return (vaddr[nr >> 5] & (1UL << (nr & 31))) != 0;
}
--
1.9.1
