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authorGeert Uytterhoeven <geert@linux-m68k.org>2018-06-21 21:24:44 +0200
committerYoshinori Sato <ysato@users.sourceforge.jp>2018-08-22 19:14:19 +0900
commit5743ee22bf3f8842f2330925434a727e1044e2a1 (patch)
treeff05cfa976aafa90fb6f8f1895fe4cd820ab6e16 /arch
parent558e6694cd4da8db31c2d4850c4823efa5dc77e9 (diff)
downloadlinux-5743ee22bf3f8842f2330925434a727e1044e2a1.tar.bz2
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')
-rw-r--r--arch/h8300/include/asm/bitops.h2
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;