Showing error 834

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/pci/search.c
Line in file: 169
Project: Linux Kernel
Project version: 2.6.28
Tools: Stanse (1.2)
Entered: 2011-11-07 22:40:13 UTC

Source: 

139                        pci_dev_put(dev);
140                        return dev;
141                }
142        }
143        return NULL;
144}
145EXPORT_SYMBOL(pci_find_slot);
146
147/**
148 * pci_find_device - begin or continue searching for a PCI device by vendor/device id
149 * @vendor: PCI vendor id to match, or %PCI_ANY_ID to match all vendor ids
150 * @device: PCI device id to match, or %PCI_ANY_ID to match all device ids
151 * @from: Previous PCI device found in search, or %NULL for new search.
152 *
153 * Iterates through the list of known PCI devices.  If a PCI device is found
154 * with a matching @vendor and @device, a pointer to its device structure is
155 * returned.  Otherwise, %NULL is returned.
156 * A new search is initiated by passing %NULL as the @from argument.
157 * Otherwise if @from is not %NULL, searches continue from next device
158 * on the global list.
159 *
160 * NOTE: Do not use this function any more; use pci_get_device() instead, as
161 * the PCI device returned by this function can disappear at any moment in
162 * time.
163 */
164struct pci_dev *pci_find_device(unsigned int vendor, unsigned int device,
165                                struct pci_dev *from)
166{
167        struct pci_dev *pdev;
168
169        pci_dev_get(from);
170        pdev = pci_get_subsys(vendor, device, PCI_ANY_ID, PCI_ANY_ID, from);
171        pci_dev_put(pdev);
172        return pdev;
173}
174EXPORT_SYMBOL(pci_find_device);
175#endif /* CONFIG_PCI_LEGACY */
176
177/**
178 * pci_get_slot - locate PCI device for a given PCI slot
179 * @bus: PCI bus on which desired PCI device resides
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