linux-kernel - [PATCH -next] wifi: brcmfmac: pcie: add missing pci_disable_device() in brcmf_pcie_get

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Message-ID: <20220923093806.3108119-1-ruanjinjie@huawei.com>
Date:   Fri, 23 Sep 2022 17:38:06 +0800
From:   ruanjinjie <ruanjinjie@...wei.com>
To:     <aspriel@...il.com>, <franky.lin@...adcom.com>,
        <hante.meuleman@...adcom.com>, <kvalo@...nel.org>,
        <davem@...emloft.net>, <edumazet@...gle.com>, <kuba@...nel.org>,
        <pabeni@...hat.com>, <marcan@...can.st>,
        <linus.walleij@...aro.org>, <rmk+kernel@...linux.org.uk>,
        <soontak.lee@...ress.com>, <linux-wireless@...r.kernel.org>,
        <SHA-cyfmac-dev-list@...ineon.com>,
        <brcm80211-dev-list.pdl@...adcom.com>, <netdev@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
CC:     <ruanjinjie@...wei.com>
Subject: [PATCH -next] wifi: brcmfmac: pcie: add missing pci_disable_device() in brcmf_pcie_get_resource()

Add missing pci_disable_device() if brcmf_pcie_get_resource() fails.

Signed-off-by: ruanjinjie <ruanjinjie@...wei.com>
---
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
index f98641bb1528..25fa69793d86 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
@@ -1725,7 +1725,8 @@ static int brcmf_pcie_get_resource(struct brcmf_pciedev_info *devinfo)
 	if ((bar1_size == 0) || (bar1_addr == 0)) {
 		brcmf_err(bus, "BAR1 Not enabled, device size=%ld, addr=%#016llx\n",
 			  bar1_size, (unsigned long long)bar1_addr);
-		return -EINVAL;
+		err = -EINVAL;
+		goto err_disable;
 	}
 
 	devinfo->regs = ioremap(bar0_addr, BRCMF_PCIE_REG_MAP_SIZE);
@@ -1734,7 +1735,8 @@ static int brcmf_pcie_get_resource(struct brcmf_pciedev_info *devinfo)
 	if (!devinfo->regs || !devinfo->tcm) {
 		brcmf_err(bus, "ioremap() failed (%p,%p)\n", devinfo->regs,
 			  devinfo->tcm);
-		return -EINVAL;
+		err = -EINVAL;
+		goto err_disable;
 	}
 	brcmf_dbg(PCIE, "Phys addr : reg space = %p base addr %#016llx\n",
 		  devinfo->regs, (unsigned long long)bar0_addr);
@@ -1743,6 +1745,9 @@ static int brcmf_pcie_get_resource(struct brcmf_pciedev_info *devinfo)
 		  (unsigned int)bar1_size);
 
 	return 0;
+err_disable:
+	pci_disable_device(pdev);
+	return err;
 }
 
 
-- 
2.25.1