[PATCH] arm64: perf: no need to initialise statics to 0

[Jason Wang]

Static variables do not need to be initialised to 0, because compiler
will initialise all uninitialised statics to 0. Thus, remove the
unneeded initializations.

Signed-off-by: Jason Wang <wangborong@xxxxxxxxxx>
---
 arch/arm64/kernel/perf_event.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/kernel/perf_event.c b/arch/arm64/kernel/perf_event.c
index cb69ff1e6138..919fdcf8fce6 100644
--- a/arch/arm64/kernel/perf_event.c
+++ b/arch/arm64/kernel/perf_event.c
@@ -1226,7 +1226,7 @@ static struct ctl_table armv8_pmu_sysctl_table[] = {
 
 static void armv8_pmu_register_sysctl_table(void)
 {
-	static u32 tbl_registered = 0;
+	static u32 tbl_registered;
 
 	if (!cmpxchg_relaxed(&tbl_registered, 0, 1))
 		register_sysctl("kernel", armv8_pmu_sysctl_table);
-- 
2.35.1