linux-kernel - [PATCH v3 2/6] sh: pci: Do PCI error check on own line

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Date:   Mon, 11 Sep 2023 15:53:50 +0300
From:   Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
To:     Rob Herring <robh@...nel.org>, Bjorn Helgaas <helgaas@...nel.org>,
        linux-pci@...r.kernel.org,
        Yoshinori Sato <ysato@...rs.sourceforge.jp>,
        Rich Felker <dalias@...c.org>,
        John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>,
        linux-sh@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     3chas3@...il.com, brking@...ibm.com, ink@...assic.park.msu.ru,
        jejb@...ux.ibm.com, kw@...ux.com, linux-alpha@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-atm-general@...ts.sourceforge.net,
        linux-scsi@...r.kernel.org, lpieralisi@...nel.org,
        martin.petersen@...cle.com, mattst88@...il.com,
        netdev@...r.kernel.org, richard.henderson@...aro.org,
        toan@...amperecomputing.com,
        Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
Subject: [PATCH v3 2/6] sh: pci: Do PCI error check on own line

Instead of a if condition with a line split, use the usual error
handling pattern with a separate variable to improve readability.

No functional changes intended.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
Acked-by: John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>
---
 arch/sh/drivers/pci/common.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/arch/sh/drivers/pci/common.c b/arch/sh/drivers/pci/common.c
index 2fd2b77e12ce..f59e5b9a6a80 100644
--- a/arch/sh/drivers/pci/common.c
+++ b/arch/sh/drivers/pci/common.c
@@ -53,15 +53,16 @@ int __init pci_is_66mhz_capable(struct pci_channel *hose,
 	unsigned short vid;
 	int cap66 = -1;
 	u16 stat;
+	int ret;
 
 	pr_info("PCI: Checking 66MHz capabilities...\n");
 
 	for (pci_devfn = 0; pci_devfn < 0xff; pci_devfn++) {
 		if (PCI_FUNC(pci_devfn))
 			continue;
-		if (early_read_config_word(hose, top_bus, current_bus,
-					   pci_devfn, PCI_VENDOR_ID, &vid) !=
-		    PCIBIOS_SUCCESSFUL)
+		ret = early_read_config_word(hose, top_bus, current_bus,
+					     pci_devfn, PCI_VENDOR_ID, &vid);
+		if (ret != PCIBIOS_SUCCESSFUL)
 			continue;
 		if (vid == 0xffff)
 			continue;
-- 
2.30.2