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authorAtsushi Nemoto <anemo@mba.ocn.ne.jp>2008-01-30 13:30:01 +0100
committerIngo Molnar <mingo@elte.hu>2008-01-30 13:30:01 +0100
commit1d76c2622813fbc692b0d323028cfef9ee36051a (patch)
treec94e425658e6532273e4fd0fc5185cf069b5ee3f /include
parent186e3cb8a465bac010ee3b020768d2fa2b505aef (diff)
clocksource: make CLOCKSOURCE_MASK bullet-proof
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Cc: john stultz <johnstul@us.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include')
-rw-r--r--include/linux/clocksource.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h
index 107787aacb6..07b42153de2 100644
--- a/include/linux/clocksource.h
+++ b/include/linux/clocksource.h
@@ -103,7 +103,7 @@ struct clocksource {
#define CLOCK_SOURCE_VALID_FOR_HRES 0x20
/* simplify initialization of mask field */
-#define CLOCKSOURCE_MASK(bits) (cycle_t)(bits<64 ? ((1ULL<<bits)-1) : -1)
+#define CLOCKSOURCE_MASK(bits) (cycle_t)((bits) < 64 ? ((1ULL<<(bits))-1) : -1)
/**
* clocksource_khz2mult - calculates mult from khz and shift