[PATCH] perf: arm_spe: remove unnecessary zero check
From: luanshi <hidden>
Date: 2020-02-26 04:25:21
Also in:
lkml
Subsystem:
arm pmu profiling and debugging, the rest · Maintainers:
Will Deacon, Mark Rutland, Linus Torvalds
The "nr_pages" variable has been checked before, it can't be zero, so a check here would be useless. Signed-off-by: Liguang Zhang <redacted> --- drivers/perf/arm_spe_pmu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/perf/arm_spe_pmu.c b/drivers/perf/arm_spe_pmu.c
index 4e4984a..b72c048 100644
--- a/drivers/perf/arm_spe_pmu.c
+++ b/drivers/perf/arm_spe_pmu.c@@ -831,7 +831,7 @@ static void *arm_spe_pmu_setup_aux(struct perf_event *event, void **pages, * parts and give userspace a fighting chance of getting some * useful data out of it. */ - if (!nr_pages || (snapshot && (nr_pages & 1))) + if (snapshot && (nr_pages & 1)) return NULL; if (cpu == -1)
--
1.8.3.1
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