ARM: 6205/1: perf: ensure counter delta is treated as unsigned

[mv-sheeva.git] / arch / arm / kernel / perf_event.c

diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c
index c45768614c8aae8cb794cee41b5da85cc7136a2e..de12536d687f69a6fa246038afe9754936d223d9 100644 (file)
--- a/arch/arm/kernel/perf_event.c
+++ b/arch/arm/kernel/perf_event.c
@@ -201,7 +201,7 @@ armpmu_event_update(struct perf_event *event,
 {
        int shift = 64 - 32;
        s64 prev_raw_count, new_raw_count;
-       s64 delta;
+       u64 delta;
 
 again:
        prev_raw_count = atomic64_read(&hwc->prev_count);