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authorChristophe JAILLET <christophe.jaillet@wanadoo.fr>2021-05-22 08:54:33 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-05-27 14:46:57 +0200
commit372dae89972594393b57f29ec44e351fa7eedbbe (patch)
treefae03fe78c7787f90baa8880c82264f1beb97d0d /drivers/misc/pvpanic
parentee9b9b81ecd744504bbf1c50d86db8251cc7e41e (diff)
downloadlinux-372dae89972594393b57f29ec44e351fa7eedbbe.tar.bz2
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 <andriy.shevchenko@linux.intel.com> Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Link: https://lore.kernel.org/r/ab071b1f4ed6e1174f9199095fb16a58bb406090.1621665058.git.christophe.jaillet@wanadoo.fr Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc/pvpanic')
-rw-r--r--drivers/misc/pvpanic/pvpanic-pci.c9
1 files changed, 3 insertions, 6 deletions
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 = {