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authorJohannes Weiner <hannes@cmpxchg.org>2009-07-21 17:08:28 +0200
committerRussell King <rmk+kernel@arm.linux.org.uk>2009-10-11 16:25:06 +0100
commite9ac829185c5d17787d78c13c05a40c39d660239 (patch)
tree295822fefaf2370c9f4ef155dba1d6f225b93b89 /arch
parent03a6e5bd5ba7d2a37b0bf4327b83d7c83311b0a1 (diff)
ARM: boolean bit testing
Bit testing (test, testset, testclear, testchange) for bit numbers known at compile time returns a word with the tested-for bit set. Change it to return a true boolean value so to make it consistent with the out-of-line path and all the other bitops implementations. Signed-off-by: Johannes Weiner <hannes@cmpxchg.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/include/asm/bitops.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/arm/include/asm/bitops.h b/arch/arm/include/asm/bitops.h
index 63a481fbbed..338ff19ae44 100644
--- a/arch/arm/include/asm/bitops.h
+++ b/arch/arm/include/asm/bitops.h
@@ -84,7 +84,7 @@ ____atomic_test_and_set_bit(unsigned int bit, volatile unsigned long *p)
*p = res | mask;
raw_local_irq_restore(flags);
- return res & mask;
+ return (res & mask) != 0;
}
static inline int
@@ -101,7 +101,7 @@ ____atomic_test_and_clear_bit(unsigned int bit, volatile unsigned long *p)
*p = res & ~mask;
raw_local_irq_restore(flags);
- return res & mask;
+ return (res & mask) != 0;
}
static inline int
@@ -118,7 +118,7 @@ ____atomic_test_and_change_bit(unsigned int bit, volatile unsigned long *p)
*p = res ^ mask;
raw_local_irq_restore(flags);
- return res & mask;
+ return (res & mask) != 0;
}
#include <asm-generic/bitops/non-atomic.h>