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MN10300: Don't cast away the volatile in test_bit()

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Don't cast away the volatile in test_bit()'s parameter when we change its type
from const volatile void * so that we can dereference it.

Signed-off-by: Akira Takeuchi <takeuchi.akr@jp.panasonic.com>
Signed-off-by: Kiyoshi Owada <owada.kiyoshi@jp.panasonic.com>
Signed-off-by: David Howells <dhowells@redhat.com>
This commit is contained in:
Akira Takeuchi 2010-10-27 17:28:36 +01:00 committed by David Howells
parent 3a5f65df5a
commit 3195d0b564
1 changed files with 1 additions and 1 deletions
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2
arch/mn10300/include/asm/bitops.h
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@ -72,7 +72,7 @@ static inline void __clear_bit(unsigned long nr, volatile void *addr)
*/
static inline int test_bit(unsigned long nr, const volatile void *addr)
{
return 1UL & (((const unsigned int *) addr)[nr >> 5] >> (nr & 31));
return 1UL & (((const volatile unsigned int *) addr)[nr >> 5] >> (nr & 31));
}
/*