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Message-ID: <20170628095637.GA1038@lkp-wsm-ep1>
Date: Wed, 28 Jun 2017 17:56:37 +0800
From: kbuild test robot <lkp@...el.com>
To: Shaokun Zhang <zhangshaokun@...ilicon.com>
Cc: kbuild-all@...org, mark.rutland@....com, will.deacon@....com,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
linux-doc@...r.kernel.org, linuxarm@...wei.com,
Shaokun Zhang <zhangshaokun@...ilicon.com>,
Anurup M <anurup.m@...wei.com>
Subject: [PATCH] drivers: perf: hisi: fix ptr_ret.cocci warnings
drivers/perf/hisilicon/hisi_uncore_hha_pmu.c:272:1-3: 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: 2b8a651927f4 ("drivers: perf: hisi: Add support for HiSilicon SoC HHA PMU driver")
CC: Shaokun Zhang <zhangshaokun@...ilicon.com>
Signed-off-by: Fengguang Wu <fengguang.wu@...el.com>
---
hisi_uncore_hha_pmu.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
--- a/drivers/perf/hisilicon/hisi_uncore_hha_pmu.c
+++ b/drivers/perf/hisilicon/hisi_uncore_hha_pmu.c
@@ -269,10 +269,7 @@ static int hisi_hha_pmu_init_data(struct
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
hha_pmu->base = devm_ioremap_resource(dev, res);
- if (IS_ERR(hha_pmu->base))
- return PTR_ERR(hha_pmu->base);
-
- return 0;
+ return PTR_ERR_OR_ZERO(hha_pmu->base);
}
static struct attribute *hisi_hha_pmu_format_attr[] = {
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