From 02e0e5e935cad59a2d30a004df9065e8697543e3 Mon Sep 17 00:00:00 2001 From: "John W. Linville" Date: Tue, 7 Nov 2006 20:53:48 -0500 Subject: [PATCH] [PATCH] wireless: clean-up some "check return code" warnings Clean-up some warnings from missing return code checks, mostly from calling pci_enable_device during a PCI resume. Signed-off-by: John W. Linville --- drivers/net/wireless/hostap/hostap_pci.c | 8 +++++++- drivers/net/wireless/ipw2100.c | 8 +++++++- drivers/net/wireless/ipw2200.c | 8 +++++++- drivers/net/wireless/orinoco_pci.h | 7 ++++++- drivers/net/wireless/prism54/islpci_hotplug.c | 20 +++++++++++++++---- 5 files changed, 43 insertions(+), 8 deletions(-) diff --git a/drivers/net/wireless/hostap/hostap_pci.c b/drivers/net/wireless/hostap/hostap_pci.c index c2fa011be291..d1de9766c831 100644 --- a/drivers/net/wireless/hostap/hostap_pci.c +++ b/drivers/net/wireless/hostap/hostap_pci.c @@ -425,8 +425,14 @@ static int prism2_pci_suspend(struct pci_dev *pdev, pm_message_t state) static int prism2_pci_resume(struct pci_dev *pdev) { struct net_device *dev = pci_get_drvdata(pdev); + int err; - pci_enable_device(pdev); + err = pci_enable_device(pdev); + if (err) { + printk(KERN_ERR "%s: pci_enable_device failed on resume\n", + dev->name); + return err; + } pci_restore_state(pdev); prism2_hw_config(dev, 0); if (netif_running(dev)) { diff --git a/drivers/net/wireless/ipw2100.c b/drivers/net/wireless/ipw2100.c index 5bf4d4119c3d..3bc6be9d20f8 100644 --- a/drivers/net/wireless/ipw2100.c +++ b/drivers/net/wireless/ipw2100.c @@ -6423,6 +6423,7 @@ static int ipw2100_resume(struct pci_dev *pci_dev) { struct ipw2100_priv *priv = pci_get_drvdata(pci_dev); struct net_device *dev = priv->net_dev; + int err; u32 val; if (IPW2100_PM_DISABLED) @@ -6433,7 +6434,12 @@ static int ipw2100_resume(struct pci_dev *pci_dev) IPW_DEBUG_INFO("%s: Coming out of suspend...\n", dev->name); pci_set_power_state(pci_dev, PCI_D0); - pci_enable_device(pci_dev); + err = pci_enable_device(pci_dev); + if (err) { + printk(KERN_ERR "%s: pci_enable_device failed on resume\n", + dev->name); + return err; + } pci_restore_state(pci_dev); /* diff --git a/drivers/net/wireless/ipw2200.c b/drivers/net/wireless/ipw2200.c index 72120d5c2f7b..c692d01a76ca 100644 --- a/drivers/net/wireless/ipw2200.c +++ b/drivers/net/wireless/ipw2200.c @@ -11727,12 +11727,18 @@ static int ipw_pci_resume(struct pci_dev *pdev) { struct ipw_priv *priv = pci_get_drvdata(pdev); struct net_device *dev = priv->net_dev; + int err; u32 val; printk(KERN_INFO "%s: Coming out of suspend...\n", dev->name); pci_set_power_state(pdev, PCI_D0); - pci_enable_device(pdev); + err = pci_enable_device(pdev); + if (err) { + printk(KERN_ERR "%s: pci_enable_device failed on resume\n", + dev->name); + return err; + } pci_restore_state(pdev); /* diff --git a/drivers/net/wireless/orinoco_pci.h b/drivers/net/wireless/orinoco_pci.h index be1abea4b64f..f4e5e06760c1 100644 --- a/drivers/net/wireless/orinoco_pci.h +++ b/drivers/net/wireless/orinoco_pci.h @@ -60,7 +60,12 @@ static int orinoco_pci_resume(struct pci_dev *pdev) int err; pci_set_power_state(pdev, 0); - pci_enable_device(pdev); + err = pci_enable_device(pdev); + if (err) { + printk(KERN_ERR "%s: pci_enable_device failed on resume\n", + dev->name); + return err; + } pci_restore_state(pdev); err = request_irq(pdev->irq, orinoco_interrupt, IRQF_SHARED, diff --git a/drivers/net/wireless/prism54/islpci_hotplug.c b/drivers/net/wireless/prism54/islpci_hotplug.c index f6354b1cbc28..e0bca3abdf68 100644 --- a/drivers/net/wireless/prism54/islpci_hotplug.c +++ b/drivers/net/wireless/prism54/islpci_hotplug.c @@ -170,14 +170,15 @@ prism54_probe(struct pci_dev *pdev, const struct pci_device_id *id) pci_set_master(pdev); /* enable MWI */ - pci_set_mwi(pdev); + if (pci_set_mwi(pdev)) + goto do_pci_release_regions; /* setup the network device interface and its structure */ if (!(ndev = islpci_setup(pdev))) { /* error configuring the driver as a network device */ printk(KERN_ERR "%s: could not configure network device\n", DRV_NAME); - goto do_pci_release_regions; + goto do_pci_clear_mwi; } priv = netdev_priv(ndev); @@ -207,6 +208,8 @@ prism54_probe(struct pci_dev *pdev, const struct pci_device_id *id) pci_set_drvdata(pdev, NULL); free_netdev(ndev); priv = NULL; + do_pci_clear_mwi: + pci_clear_mwi(pdev); do_pci_release_regions: pci_release_regions(pdev); do_pci_disable_device: @@ -254,6 +257,8 @@ prism54_remove(struct pci_dev *pdev) free_netdev(ndev); priv = NULL; + pci_clear_mwi(pdev); + pci_release_regions(pdev); pci_disable_device(pdev); @@ -287,12 +292,19 @@ prism54_resume(struct pci_dev *pdev) { struct net_device *ndev = pci_get_drvdata(pdev); islpci_private *priv = ndev ? netdev_priv(ndev) : NULL; - BUG_ON(!priv); + int err; - pci_enable_device(pdev); + BUG_ON(!priv); printk(KERN_NOTICE "%s: got resume request\n", ndev->name); + err = pci_enable_device(pdev); + if (err) { + printk(KERN_ERR "%s: pci_enable_device failed on resume\n", + ndev->name); + return err; + } + pci_restore_state(pdev); /* alright let's go into the PREBOOT state */ -- 2.20.1