linux-kernel - [PATCH] perf: remove duplicate check on fwnode

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Date:   Fri,  6 Nov 2020 14:41:42 +0800
From:   Wang Qing <wangqing@...o.com>
To:     Will Deacon <will@...nel.org>, Mark Rutland <mark.rutland@....com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     Wang Qing <wangqing@...o.com>
Subject: [PATCH] perf: remove duplicate check on fwnode

fwnode is checked IS_ERR_OR_NULL in following check by
is_of_node() or is_acpi_device_node(), remove duplicate check.

Signed-off-by: Wang Qing <wangqing@...o.com>
---
 drivers/perf/arm_dsu_pmu.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/perf/arm_dsu_pmu.c b/drivers/perf/arm_dsu_pmu.c
index 98e68ed..0459a34
--- a/drivers/perf/arm_dsu_pmu.c
+++ b/drivers/perf/arm_dsu_pmu.c
@@ -716,9 +716,6 @@ static int dsu_pmu_device_probe(struct platform_device *pdev)
 	if (IS_ERR(dsu_pmu))
 		return PTR_ERR(dsu_pmu);
 
-	if (IS_ERR_OR_NULL(fwnode))
-		return -ENOENT;
-
 	if (is_of_node(fwnode))
 		rc = dsu_pmu_dt_get_cpus(&pdev->dev, &dsu_pmu->associated_cpus);
 	else if (is_acpi_device_node(fwnode))
-- 
2.7.4