From: Sean Anderson <seanga2@gmail.com>
To: "David S . Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
netdev@vger.kernel.org
Cc: Nick Bowler <nbowler@draconx.ca>,
Rolf Eike Beer <eike-kernel@sf-tec.de>,
Zheyu Ma <zheyuma97@gmail.com>,
linux-kernel@vger.kernel.org (open list),
Sean Anderson <seanga2@gmail.com>
Subject: [PATCH net-next v2 05/13] sunhme: Regularize probe errors
Date: Fri, 23 Sep 2022 21:53:31 -0400 [thread overview]
Message-ID: <20220924015339.1816744-6-seanga2@gmail.com> (raw)
In-Reply-To: <20220924015339.1816744-1-seanga2@gmail.com>
This fixes several error paths to ensure they return an appropriate error
(instead of ENODEV).
Signed-off-by: Sean Anderson <seanga2@gmail.com>
---
Changes in v2:
- Set err inside error branches
drivers/net/ethernet/sun/sunhme.c | 21 +++++++++++++--------
1 file changed, 13 insertions(+), 8 deletions(-)
diff --git a/drivers/net/ethernet/sun/sunhme.c b/drivers/net/ethernet/sun/sunhme.c
index b0843210beb9..26b5e44a6f2e 100644
--- a/drivers/net/ethernet/sun/sunhme.c
+++ b/drivers/net/ethernet/sun/sunhme.c
@@ -2945,7 +2945,6 @@ static int happy_meal_pci_probe(struct pci_dev *pdev,
if (err)
goto err_out;
pci_set_master(pdev);
- err = -ENODEV;
if (!strcmp(prom_name, "SUNW,qfe") || !strcmp(prom_name, "qfe")) {
qp = quattro_pci_find(pdev);
@@ -2963,9 +2962,10 @@ static int happy_meal_pci_probe(struct pci_dev *pdev,
}
dev = alloc_etherdev(sizeof(struct happy_meal));
- err = -ENOMEM;
- if (!dev)
+ if (!dev) {
+ err = -ENOMEM;
goto err_out;
+ }
SET_NETDEV_DEV(dev, &pdev->dev);
hp = netdev_priv(dev);
@@ -2982,18 +2982,22 @@ static int happy_meal_pci_probe(struct pci_dev *pdev,
}
hpreg_res = pci_resource_start(pdev, 0);
- err = -ENODEV;
+ err = -EINVAL;
if ((pci_resource_flags(pdev, 0) & IORESOURCE_IO) != 0) {
printk(KERN_ERR "happymeal(PCI): Cannot find proper PCI device base address.\n");
goto err_out_clear_quattro;
}
- if (pci_request_regions(pdev, DRV_NAME)) {
+
+ err = pci_request_regions(pdev, DRV_NAME);
+ if (err) {
printk(KERN_ERR "happymeal(PCI): Cannot obtain PCI resources, "
"aborting.\n");
goto err_out_clear_quattro;
}
- if ((hpreg_base = ioremap(hpreg_res, 0x8000)) == NULL) {
+ hpreg_base = ioremap(hpreg_res, 0x8000);
+ if (!hpreg_base) {
+ err = -ENOMEM;
printk(KERN_ERR "happymeal(PCI): Unable to remap card memory.\n");
goto err_out_free_res;
}
@@ -3063,9 +3067,10 @@ static int happy_meal_pci_probe(struct pci_dev *pdev,
hp->happy_block = dma_alloc_coherent(&pdev->dev, PAGE_SIZE,
&hp->hblock_dvma, GFP_KERNEL);
- err = -ENODEV;
- if (!hp->happy_block)
+ if (!hp->happy_block) {
+ err = -ENOMEM;
goto err_out_iounmap;
+ }
hp->linkcheck = 0;
hp->timer_state = asleep;
--
2.37.1
next prev parent reply other threads:[~2022-09-24 1:54 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-24 1:53 [PATCH net-next v2 00/13] net: sunhme: Cleanups and logging improvements Sean Anderson
2022-09-24 1:53 ` [PATCH net-next v2 01/13] sunhme: remove unused tx_dump_ring() Sean Anderson
2022-09-24 1:53 ` [PATCH net-next v2 02/13] sunhme: Remove version Sean Anderson
2022-09-24 1:53 ` [PATCH net-next v2 03/13] sunhme: forward the error code from pci_enable_device() Sean Anderson
2022-09-24 1:53 ` [PATCH net-next v2 04/13] sunhme: Return an ERR_PTR from quattro_pci_find Sean Anderson
2022-09-24 1:53 ` Sean Anderson [this message]
2022-09-24 1:53 ` [PATCH net-next v2 06/13] sunhme: switch to devres Sean Anderson
2022-09-24 1:53 ` [PATCH net-next v2 07/13] sunhme: Convert FOO((...)) to FOO(...) Sean Anderson
2022-09-27 7:58 ` David Laight
2022-09-27 13:57 ` Sean Anderson
2022-09-24 1:53 ` [PATCH net-next v2 08/13] sunhme: Clean up debug infrastructure Sean Anderson
2022-09-24 1:53 ` [PATCH net-next v2 09/13] sunhme: Convert printk(KERN_FOO ...) to pr_foo(...) Sean Anderson
2022-09-24 1:53 ` [PATCH net-next v2 10/13] sunhme: Use (net)dev_foo wherever possible Sean Anderson
2022-09-24 1:53 ` [PATCH net-next v2 11/13] sunhme: Combine continued messages Sean Anderson
2022-09-24 1:53 ` [PATCH net-next v2 12/13] sunhme: Use vdbg for spam-y prints Sean Anderson
2022-09-24 1:53 ` [PATCH net-next v2 13/13] sunhme: Add myself as a maintainer Sean Anderson
2022-09-27 0:50 ` [PATCH net-next v2 00/13] net: sunhme: Cleanups and logging improvements patchwork-bot+netdevbpf
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