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| author | Jiri Slaby <jirislaby@gmail.com> | 2010-05-24 12:14:15 -0700 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2010-05-26 12:54:39 +1000 |
| commit | 2101d6f7ac791e87a274371a07a408f74e40ec49 (patch) | |
| tree | c35ef331a11f6ae042e47c9cb8b2028562b42bb6 /drivers/char | |
| parent | 4a638b4e38234233f5c7e6705662fbc0b58d80c2 (diff) | |
| download | linux-2101d6f7ac791e87a274371a07a408f74e40ec49.tar.gz linux-2101d6f7ac791e87a274371a07a408f74e40ec49.tar.bz2 linux-2101d6f7ac791e87a274371a07a408f74e40ec49.zip | |
agp: amd64, fix pci reference leaks
Stanse found pci reference leaks in uli_agp_init and nforce3_agp_init
initialization functions.
The PCI devices are bridges, so it's not critical, but still worth fixing.
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/agp/amd64-agp.c | 28 |
1 files changed, 18 insertions, 10 deletions
diff --git a/drivers/char/agp/amd64-agp.c b/drivers/char/agp/amd64-agp.c index 67ea3a60de74..70312da4c968 100644 --- a/drivers/char/agp/amd64-agp.c +++ b/drivers/char/agp/amd64-agp.c @@ -384,7 +384,7 @@ static int __devinit uli_agp_init(struct pci_dev *pdev) { u32 httfea,baseaddr,enuscr; struct pci_dev *dev1; - int i; + int i, ret; unsigned size = amd64_fetch_size(); dev_info(&pdev->dev, "setting up ULi AGP\n"); @@ -400,15 +400,18 @@ static int __devinit uli_agp_init(struct pci_dev *pdev) if (i == ARRAY_SIZE(uli_sizes)) { dev_info(&pdev->dev, "no ULi size found for %d\n", size); - return -ENODEV; + ret = -ENODEV; + goto put; } /* shadow x86-64 registers into ULi registers */ pci_read_config_dword (k8_northbridges[0], AMD64_GARTAPERTUREBASE, &httfea); /* if x86-64 aperture base is beyond 4G, exit here */ - if ((httfea & 0x7fff) >> (32 - 25)) - return -ENODEV; + if ((httfea & 0x7fff) >> (32 - 25)) { + ret = -ENODEV; + goto put; + } httfea = (httfea& 0x7fff) << 25; @@ -420,9 +423,10 @@ static int __devinit uli_agp_init(struct pci_dev *pdev) enuscr= httfea+ (size * 1024 * 1024) - 1; pci_write_config_dword(dev1, ULI_X86_64_HTT_FEA_REG, httfea); pci_write_config_dword(dev1, ULI_X86_64_ENU_SCR_REG, enuscr); - + ret = 0; +put: pci_dev_put(dev1); - return 0; + return ret; } @@ -441,7 +445,7 @@ static int nforce3_agp_init(struct pci_dev *pdev) { u32 tmp, apbase, apbar, aplimit; struct pci_dev *dev1; - int i; + int i, ret; unsigned size = amd64_fetch_size(); dev_info(&pdev->dev, "setting up Nforce3 AGP\n"); @@ -458,7 +462,8 @@ static int nforce3_agp_init(struct pci_dev *pdev) if (i == ARRAY_SIZE(nforce3_sizes)) { dev_info(&pdev->dev, "no NForce3 size found for %d\n", size); - return -ENODEV; + ret = -ENODEV; + goto put; } pci_read_config_dword(dev1, NVIDIA_X86_64_1_APSIZE, &tmp); @@ -472,7 +477,8 @@ static int nforce3_agp_init(struct pci_dev *pdev) /* if x86-64 aperture base is beyond 4G, exit here */ if ( (apbase & 0x7fff) >> (32 - 25) ) { dev_info(&pdev->dev, "aperture base > 4G\n"); - return -ENODEV; + ret = -ENODEV; + goto put; } apbase = (apbase & 0x7fff) << 25; @@ -488,9 +494,11 @@ static int nforce3_agp_init(struct pci_dev *pdev) pci_write_config_dword(dev1, NVIDIA_X86_64_1_APBASE2, apbase); pci_write_config_dword(dev1, NVIDIA_X86_64_1_APLIMIT2, aplimit); + ret = 0; +put: pci_dev_put(dev1); - return 0; + return ret; } static int __devinit agp_amd64_probe(struct pci_dev *pdev, |