KFunc bpf_obj_drop_impl
Free an allocated object.
Definition
All fields of the object that require destruction will be destructed before the storage is freed.
The meta
parameter is rewritten by the verifier, no need for BPF
program to set it.
void bpf_obj_drop_impl(void *p__alloc, void *meta__ign)
Note
This kfunc releases the pointer passed in to it. There can be only one referenced pointer that can be passed in. All copies of the pointer being released are invalidated as a result of invoking this kfunc.
Usage
Docs could be improved
This part of the docs is incomplete, contributions are very welcome
Program types
The following program types can make use of this kfunc:
BPF_PROG_TYPE_LSM
BPF_PROG_TYPE_SCHED_CLS
BPF_PROG_TYPE_STRUCT_OPS
BPF_PROG_TYPE_TRACING
BPF_PROG_TYPE_XDP
Example
Docs could be improved
This part of the docs is incomplete, contributions are very welcome