linux-kernel - [PATCH] perf/core: Do not initialise statics to 0 and add space before '{'

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Date:   Fri,  8 May 2020 12:04:23 +0800
From:   Kaige Li <likaige@...ngson.cn>
To:     Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...hat.com>,
        Namhyung Kim <namhyung@...nel.org>
Cc:     linux-kernel@...r.kernel.org, Tiezhu Yang <yangtiezhu@...ngson.cn>,
        Xuefeng Li <lixuefeng@...ngson.cn>
Subject: [PATCH] perf/core: Do not initialise statics to 0 and add space before '{'

Fix the following checkpatch errors:

ERROR: do not initialise statics to 0
#10616: FILE: ./kernel/events/core.c:10616:
+ static int hw_context_taken = 0;

ERROR: space required before the open brace '{'
#11070: FILE: ./kernel/events/core.c:11070:
+ } else if (is_write_backward(event)){

Signed-off-by: Kaige Li <likaige@...ngson.cn>
---
 kernel/events/core.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/events/core.c b/kernel/events/core.c
index 80cf996..8d47d30 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -10618,7 +10618,7 @@ int perf_pmu_register(struct pmu *pmu, const char *name, int type)
 
 skip_type:
 	if (pmu->task_ctx_nr == perf_hw_context) {
-		static int hw_context_taken = 0;
+		static int hw_context_taken;
 
 		/*
 		 * Other than systems with heterogeneous CPUs, it never makes
@@ -11072,7 +11072,7 @@ perf_event_alloc(struct perf_event_attr *attr, int cpu,
 	if (overflow_handler) {
 		event->overflow_handler	= overflow_handler;
 		event->overflow_handler_context = context;
-	} else if (is_write_backward(event)){
+	} else if (is_write_backward(event)) {
 		event->overflow_handler = perf_event_output_backward;
 		event->overflow_handler_context = NULL;
 	} else {
-- 
2.1.0