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-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