[PATCH] drivers: perf: hisi: fix ptr_ret.cocci warnings

From: kbuild test robot
Date: Wed Jun 28 2017 - 05:21:59 EST


drivers/perf/hisilicon/hisi_uncore_l3c_pmu.c:348:1-3: WARNING: PTR_ERR_OR_ZERO can be used


Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR

Generated by: scripts/coccinelle/api/ptr_ret.cocci

Fixes: 05958712d8d4 ("drivers: perf: hisi: Add support for HiSilicon SoC L3C PMU driver")
CC: Shaokun Zhang <zhangshaokun@xxxxxxxxxxxxx>
Signed-off-by: Fengguang Wu <fengguang.wu@xxxxxxxxx>
---

hisi_uncore_l3c_pmu.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)

--- a/drivers/perf/hisilicon/hisi_uncore_l3c_pmu.c
+++ b/drivers/perf/hisilicon/hisi_uncore_l3c_pmu.c
@@ -345,10 +345,7 @@ static int hisi_l3c_pmu_init_data(struct

res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
l3c_pmu->base = devm_ioremap_resource(dev, res);
- if (IS_ERR(l3c_pmu->base))
- return PTR_ERR(l3c_pmu->base);
-
- return 0;
+ return PTR_ERR_OR_ZERO(l3c_pmu->base);
}

static struct attribute *hisi_l3c_pmu_format_attr[] = {