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amd8111_edac: Fix leaks in probe error paths 

Both probe error paths are incomplete and leak memory and device
references. Add the missing cleanups.

Signed-off-by: Jean Delvare <jdelvare@suse.de>
Link: http://lkml.kernel.org/r/20140224154534.5a3b797a@endymion.delvare
Cc: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
hifive-unleashed-5.1
Jean Delvare 2014-02-24 15:45:34 +01:00 committed by Borislav Petkov
parent 0e089c1828
commit 5576fb8696
1 changed files with 30 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

44
drivers/edac/amd8111_edac.c
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@ -350,6 +350,7 @@ static int amd8111_dev_probe(struct pci_dev *dev,
const struct pci_device_id *id)
{
struct amd8111_dev_info *dev_info = &amd8111_devices[id->driver_data];
int ret = -ENODEV;
dev_info->dev = pci_get_device(PCI_VENDOR_ID_AMD,
dev_info->err_dev, NULL);
@ -359,16 +360,15 @@ static int amd8111_dev_probe(struct pci_dev *dev,
"vendor %x, device %x, name %s\n",
PCI_VENDOR_ID_AMD, dev_info->err_dev,
dev_info->ctl_name);
return -ENODEV;
goto err;
}
if (pci_enable_device(dev_info->dev)) {
pci_dev_put(dev_info->dev);
printk(KERN_ERR "failed to enable:"
"vendor %x, device %x, name %s\n",
PCI_VENDOR_ID_AMD, dev_info->err_dev,
dev_info->ctl_name);
return -ENODEV;
goto err_dev_put;
}
/*
@ -381,8 +381,10 @@ static int amd8111_dev_probe(struct pci_dev *dev,
edac_device_alloc_ctl_info(0, dev_info->ctl_name, 1,
NULL, 0, 0,
NULL, 0, dev_info->edac_idx);
if (!dev_info->edac_dev)
return -ENOMEM;
if (!dev_info->edac_dev) {
ret = -ENOMEM;
goto err_dev_put;
}
dev_info->edac_dev->pvt_info = dev_info;
dev_info->edac_dev->dev = &dev_info->dev->dev;
@ -399,8 +401,7 @@ static int amd8111_dev_probe(struct pci_dev *dev,
if (edac_device_add_device(dev_info->edac_dev) > 0) {
printk(KERN_ERR "failed to add edac_dev for %s\n",
dev_info->ctl_name);
edac_device_free_ctl_info(dev_info->edac_dev);
return -ENODEV;
goto err_edac_free_ctl;
}
printk(KERN_INFO "added one edac_dev on AMD8111 "
@ -409,6 +410,13 @@ static int amd8111_dev_probe(struct pci_dev *dev,
dev_info->ctl_name);
return 0;
err_edac_free_ctl:
edac_device_free_ctl_info(dev_info->edac_dev);
err_dev_put:
pci_dev_put(dev_info->dev);
err:
return ret;
}
static void amd8111_dev_remove(struct pci_dev *dev)
@ -437,6 +445,7 @@ static int amd8111_pci_probe(struct pci_dev *dev,
const struct pci_device_id *id)
{
struct amd8111_pci_info *pci_info = &amd8111_pcis[id->driver_data];
int ret = -ENODEV;
pci_info->dev = pci_get_device(PCI_VENDOR_ID_AMD,
pci_info->err_dev, NULL);
@ -446,16 +455,15 @@ static int amd8111_pci_probe(struct pci_dev *dev,
"vendor %x, device %x, name %s\n",
PCI_VENDOR_ID_AMD, pci_info->err_dev,
pci_info->ctl_name);
return -ENODEV;
goto err;
}
if (pci_enable_device(pci_info->dev)) {
pci_dev_put(pci_info->dev);
printk(KERN_ERR "failed to enable:"
"vendor %x, device %x, name %s\n",
PCI_VENDOR_ID_AMD, pci_info->err_dev,
pci_info->ctl_name);
return -ENODEV;
goto err_dev_put;
}
/*
@ -465,8 +473,10 @@ static int amd8111_pci_probe(struct pci_dev *dev,
*/
pci_info->edac_idx = edac_pci_alloc_index();
pci_info->edac_dev = edac_pci_alloc_ctl_info(0, pci_info->ctl_name);
if (!pci_info->edac_dev)
return -ENOMEM;
if (!pci_info->edac_dev) {
ret = -ENOMEM;
goto err_dev_put;
}
pci_info->edac_dev->pvt_info = pci_info;
pci_info->edac_dev->dev = &pci_info->dev->dev;
@ -483,8 +493,7 @@ static int amd8111_pci_probe(struct pci_dev *dev,
if (edac_pci_add_device(pci_info->edac_dev, pci_info->edac_idx) > 0) {
printk(KERN_ERR "failed to add edac_pci for %s\n",
pci_info->ctl_name);
edac_pci_free_ctl_info(pci_info->edac_dev);
return -ENODEV;
goto err_edac_free_ctl;
}
printk(KERN_INFO "added one edac_pci on AMD8111 "
@ -493,6 +502,13 @@ static int amd8111_pci_probe(struct pci_dev *dev,
pci_info->ctl_name);
return 0;
err_edac_free_ctl:
edac_pci_free_ctl_info(pci_info->edac_dev);
err_dev_put:
pci_dev_put(pci_info->dev);
err:
return ret;
}
static void amd8111_pci_remove(struct pci_dev *dev)