[PATCH] perf/core: remove useless cast when comparing

[Mars Cheng]

since nr_cpu_ids and cpu are both int, remove the casting

Signed-off-by: Mars Cheng <mars.ch...@mediatek.com>
---
 kernel/events/core.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/events/core.c b/kernel/events/core.c
index ab15509..3482342 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -9085,7 +9085,7 @@ static void account_event(struct perf_event *event)
        struct hw_perf_event *hwc;
        long err = -EINVAL;
 
-       if ((unsigned)cpu >= nr_cpu_ids) {
+       if (cpu >= nr_cpu_ids) {
                if (!task || cpu != -1)
                        return ERR_PTR(-EINVAL);
        }
-- 
1.7.9.5