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[PATCH -next] perf: xgene: Remove set but not used variable 'config'

From: YueHaibing <hidden>
Date: 2019-01-23 01:51:00
Also in: kernel-janitors, lkml
Subsystem: applied micro (apm) x-gene soc pmu, arm pmu profiling and debugging, the rest · Maintainers: Khuong Dinh, Will Deacon, Mark Rutland, Linus Torvalds

Fixes gcc '-Wunused-but-set-variable' warning:

drivers/perf/xgene_pmu.c: In function 'xgene_perf_stop':
drivers/perf/xgene_pmu.c:1055:6: warning:
 variable 'config' set but not used [-Wunused-but-set-variable]

It never used since introduction.

Signed-off-by: YueHaibing <redacted>
---
 drivers/perf/xgene_pmu.c | 2 --
 1 file changed, 2 deletions(-)
diff --git a/drivers/perf/xgene_pmu.c b/drivers/perf/xgene_pmu.c
index d4ec048..27574e8 100644
--- a/drivers/perf/xgene_pmu.c
+++ b/drivers/perf/xgene_pmu.c
@@ -1052,7 +1052,6 @@ static void xgene_perf_start(struct perf_event *event, int flags)
 static void xgene_perf_stop(struct perf_event *event, int flags)
 {
 	struct hw_perf_event *hw = &event->hw;
-	u64 config;
 
 	if (hw->state & PERF_HES_UPTODATE)
 		return;
@@ -1064,7 +1063,6 @@ static void xgene_perf_stop(struct perf_event *event, int flags)
 	if (hw->state & PERF_HES_UPTODATE)
 		return;
 
-	config = hw->config;
 	xgene_perf_read(event);
 	hw->state |= PERF_HES_UPTODATE;
 }



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