1DEV_ALLOC_NAME(9) Network device support DEV_ALLOC_NAME(9)
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6 dev_alloc_name - allocate a name for a device
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9 int dev_alloc_name(struct net_device * dev, const char * name);
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12 dev
13 device
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15 name
16 name format string
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19 Passed a format string - eg “ltd” it will try and find a suitable id.
20 It scans list of devices to build up a free map, then chooses the first
21 empty slot. The caller must hold the dev_base or rtnl lock while
22 allocating the name and adding the device in order to avoid duplicates.
23 Limited to bits_per_byte * page size devices (ie 32K on most
24 platforms). Returns the number of the unit assigned or a negative errno
25 code.
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28Kernel Hackers Manual 3.10 June 2019 DEV_ALLOC_NAME(9)