On 15-Sep-2020, at 2:40 AM, Cédric Le Goater [off-list ref] wrote:

This fixes a compile error with W=1.

CC      arch/powerpc/perf/imc-pmu.o
../arch/powerpc/perf/imc-pmu.c: In function ‘trace_imc_event_init’:
../arch/powerpc/perf/imc-pmu.c:1429:22: error: variable ‘target’ set but not used [-Werror=unused-but-set-variable]
 struct task_struct *target;
                     ^~~~~~

Cc: Anju T Sudhakar <redacted>
Reviewed-by: Christophe Leroy <redacted>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
---
arch/powerpc/perf/imc-pmu.c | 3 ---
1 file changed, 3 deletions(-)

diff --git a/arch/powerpc/perf/imc-pmu.c b/arch/powerpc/perf/imc-pmu.c
index 62d0b54086f8..9ed4fcccf8a9 100644
--- a/arch/powerpc/perf/imc-pmu.c
+++ b/arch/powerpc/perf/imc-pmu.c

@@ -1426,8 +1426,6 @@ static void trace_imc_event_del(struct perf_event *event, int flags)

static int trace_imc_event_init(struct perf_event *event)
{
-	struct task_struct *target;
-
	if (event->attr.type != event->pmu->type)
		return -ENOENT;

@@ -1458,7 +1456,6 @@ static int trace_imc_event_init(struct perf_event *event)

	mutex_unlock(&imc_global_refc.lock);

	event->hw.idx = -1;
-	target = event->hw.target;