1KOBJECT_ADD(9) Driver Basics KOBJECT_ADD(9)
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6 kobject_add - the main kobject add function
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9 int kobject_add(struct kobject * kobj, struct kobject * parent,
10 const char * fmt, ...);
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13 kobj
14 the kobject to add
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16 parent
17 pointer to the parent of the kobject.
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19 fmt
20 format to name the kobject with.
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22 ...
23 variable arguments
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26 The kobject name is set and added to the kobject hierarchy in this
27 function.
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29 If parent is set, then the parent of the kobj will be set to it. If
30 parent is NULL, then the parent of the kobj will be set to the kobject
31 associted with the kset assigned to this kobject. If no kset is
32 assigned to the kobject, then the kobject will be located in the root
33 of the sysfs tree.
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35 If this function returns an error, kobject_put must be called to
36 properly clean up the memory associated with the object. Under no
37 instance should the kobject that is passed to this function be directly
38 freed with a call to kfree, that can leak memory.
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40 Note, no “add” uevent will be created with this call, the caller should
41 set up all of the necessary sysfs files for the object and then call
42 kobject_uevent with the UEVENT_ADD parameter to ensure that userspace
43 is properly notified of this kobject´s creation.
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46Kernel Hackers Manual 2.6. June 2019 KOBJECT_ADD(9)