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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>
This commit is contained in:
Johannes Weiner 2009-08-11 14:52:10 -07:00 committed by Fenghua Yu
parent 51b89f7a66
commit 8d6f9af919
1 changed files with 1 additions and 1 deletions
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arch/ia64/include/asm/bitops.h
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@ -286,7 +286,7 @@ __test_and_clear_bit(int nr, volatile void * addr)
{ {
__u32 *p = (__u32 *) addr + (nr >> 5); __u32 *p = (__u32 *) addr + (nr >> 5);
__u32 m = 1 << (nr & 31); __u32 m = 1 << (nr & 31);
int oldbitset = *p & m; int oldbitset = (*p & m) != 0;
*p &= ~m; *p &= ~m;
return oldbitset; return oldbitset;