ia64: boolean __test_and_clear_bit

__test_and_clear_bit() returns a bitfield with the tested-for bit set.
Make it consistent with the other bitops - of ia64 but also every
other architecture - and return a boolean value.

Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Fenghua Yu <fenghua.yu@intel.com>

diff --git a/arch/ia64/include/asm/bitops.h b/arch/ia64/include/asm/bitops.h
index e2ca800..57a2787 100644 (file)
--- a/arch/ia64/include/asm/bitops.h
+++ b/arch/ia64/include/asm/bitops.h
@@ -286,7 +286,7 @@ __test_and_clear_bit(int nr, volatile void * addr)
 {
        __u32 *p = (__u32 *) addr + (nr >> 5);
        __u32 m = 1 << (nr & 31);
-       int oldbitset = *p & m;
+       int oldbitset = (*p & m) != 0;
 
        *p &= ~m;
        return oldbitset;