From 372dae89972594393b57f29ec44e351fa7eedbbe Mon Sep 17 00:00:00 2001 From: Christophe JAILLET Date: Sat, 22 May 2021 08:54:33 +0200 Subject: misc/pvpanic-pci: Fix error handling in 'pvpanic_pci_probe()' There is no error handling path in the probe function. Switch to managed resource so that errors in the probe are handled easily and simplify the remove function accordingly. Fixes: db3a4f0abefd ("misc/pvpanic: add PCI driver") Reviewed-by: Andy Shevchenko Signed-off-by: Christophe JAILLET Link: https://lore.kernel.org/r/ab071b1f4ed6e1174f9199095fb16a58bb406090.1621665058.git.christophe.jaillet@wanadoo.fr Signed-off-by: Greg Kroah-Hartman --- drivers/misc/pvpanic/pvpanic-pci.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) (limited to 'drivers/misc') diff --git a/drivers/misc/pvpanic/pvpanic-pci.c b/drivers/misc/pvpanic/pvpanic-pci.c index 9ecc4e8559d5..046ce4ecc195 100644 --- a/drivers/misc/pvpanic/pvpanic-pci.c +++ b/drivers/misc/pvpanic/pvpanic-pci.c @@ -78,15 +78,15 @@ static int pvpanic_pci_probe(struct pci_dev *pdev, void __iomem *base; int ret; - ret = pci_enable_device(pdev); + ret = pcim_enable_device(pdev); if (ret < 0) return ret; - base = pci_iomap(pdev, 0, 0); + base = pcim_iomap(pdev, 0, 0); if (!base) return -ENOMEM; - pi = kmalloc(sizeof(*pi), GFP_ATOMIC); + pi = devm_kmalloc(&pdev->dev, sizeof(*pi), GFP_ATOMIC); if (!pi) return -ENOMEM; @@ -107,9 +107,6 @@ static void pvpanic_pci_remove(struct pci_dev *pdev) struct pvpanic_instance *pi = dev_get_drvdata(&pdev->dev); pvpanic_remove(pi); - iounmap(pi->base); - kfree(pi); - pci_disable_device(pdev); } static struct pci_driver pvpanic_pci_driver = { -- cgit