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>

diff --git a/drivers/char/agp/amd64-agp.c b/drivers/char/agp/amd64-agp.c
index 67ea3a6..70312da 100644 (file)
--- 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,