Showing error 811

User: Jiri Slaby
Error type: Resource Leak
Error type description: The code omits to put the resource to the system for reuse
File location: drivers/char/agp/amd64-agp.c
Line in file: 443
Project: Linux Kernel
Project version: 2.6.28
Tools: Stanse (1.2)
Entered: 2011-11-07 22:40:13 UTC

Source: 

413        enuscr= httfea+ (size * 1024 * 1024) - 1;
414        pci_write_config_dword(dev1, ULI_X86_64_HTT_FEA_REG, httfea);
415        pci_write_config_dword(dev1, ULI_X86_64_ENU_SCR_REG, enuscr);
416
417        pci_dev_put(dev1);
418        return 0;
419}
420
421
422static const struct aper_size_info_32 nforce3_sizes[5] =
423{
424        {512,  131072, 7, 0x00000000 },
425        {256,  65536,  6, 0x00000008 },
426        {128,  32768,  5, 0x0000000C },
427        {64,   16384,  4, 0x0000000E },
428        {32,   8192,   3, 0x0000000F }
429};
430
431/* Handle shadow device of the Nvidia NForce3 */
432/* CHECK-ME original 2.4 version set up some IORRs. Check if that is needed. */
433static int nforce3_agp_init(struct pci_dev *pdev)
434{
435        u32 tmp, apbase, apbar, aplimit;
436        struct pci_dev *dev1;
437        int i;
438        unsigned size = amd64_fetch_size();
439
440        dev_info(&pdev->dev, "setting up Nforce3 AGP\n");
441
442        dev1 = pci_get_slot(pdev->bus, PCI_DEVFN(11, 0));
443        if (dev1 == NULL) {
444                dev_info(&pdev->dev, "can't find Nforce3 secondary device\n");
445                return -ENODEV;
446        }
447
448        for (i = 0; i < ARRAY_SIZE(nforce3_sizes); i++)
449                if (nforce3_sizes[i].size == size)
450                        break;
451
452        if (i == ARRAY_SIZE(nforce3_sizes)) {
453                dev_info(&pdev->dev, "no NForce3 size found for %d\n", size);
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