linux-kernel - [PATCH] staging: mt7621-pci: pci-mt7621: Remove unneeded variable err

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Message-ID: <20190523183510.GA12942@hari-Inspiron-1545>
Date:   Fri, 24 May 2019 00:05:10 +0530
From:   Hariprasad Kelam <hariprasad.kelam@...il.com>
To:     reg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Sergio Paracuellos <sergio.paracuellos@...il.com>,
        Mamta Shukla <mamtashukla555@...il.com>,
        NeilBrown <neil@...wn.name>,
        Peter Vernia <peter.vernia@...il.com>,
        devel@...verdev.osuosl.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH] staging: mt7621-pci: pci-mt7621: Remove unneeded variable err

devm_request_pci_bus_resources function will return -EBUSY/-ENOMEM
in fail case and returns 0 on success.

So no need to store return value in err variable.

Signed-off-by: Hariprasad Kelam <hariprasad.kelam@...il.com>
---
 drivers/staging/mt7621-pci/pci-mt7621.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/drivers/staging/mt7621-pci/pci-mt7621.c b/drivers/staging/mt7621-pci/pci-mt7621.c
index 03d919a..bc2a3d1 100644
--- a/drivers/staging/mt7621-pci/pci-mt7621.c
+++ b/drivers/staging/mt7621-pci/pci-mt7621.c
@@ -596,17 +596,12 @@ static int mt7621_pcie_request_resources(struct mt7621_pcie *pcie,
 					 struct list_head *res)
 {
 	struct device *dev = pcie->dev;
-	int err;
 
 	pci_add_resource_offset(res, &pcie->io, pcie->offset.io);
 	pci_add_resource_offset(res, &pcie->mem, pcie->offset.mem);
 	pci_add_resource(res, &pcie->busn);
 
-	err = devm_request_pci_bus_resources(dev, res);
-	if (err < 0)
-		return err;
-
-	return 0;
+	return devm_request_pci_bus_resources(dev, res);
 }
 
 static int mt7621_pcie_register_host(struct pci_host_bridge *host,
-- 
2.7.4