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pci_dev_present(9) - phpMan

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PCI_DEV_PRESENT(9)                     Hardware Interfaces                     PCI_DEV_PRESENT(9)



NAME
       pci_dev_present - Returns 1 if device matching the device list is present, 0 if not.

SYNOPSIS
       int pci_dev_present(const struct pci_device_id * ids);

ARGUMENTS
       ids
           A pointer to a null terminated list of struct pci_device_id structures that describe
           the type of PCI device the caller is trying to find.

DESCRIPTION
       Obvious fact: You do not have a reference to any device that might be found by this
       function, so if that device is removed from the system right after this function is
       finished, the value will be stale. Use this function to find devices that are usually
       built into a system, or for a general hint as to if another device happens to be present
       at this specific moment in time.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                        PCI_DEV_PRESENT(9)


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