Messages in this thread Patch in this message | | | From | luanshi <> | Subject | [PATCH] perf: arm_spe: remove unnecessary zero check | Date | Wed, 26 Feb 2020 12:25:06 +0800 |
| |
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 <zhangliguang@linux.alibaba.com> --- 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
| |