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Searched refs:KF_RET_NULL (Results 1 – 15 of 15) sorted by relevance

/linux/kernel/bpf/
H A Dhelpers.c4809 BTF_ID_FLAGS(func, bpf_obj_new, KF_ACQUIRE | KF_RET_NULL | KF_IMPLICIT_ARGS)
4810 BTF_ID_FLAGS(func, bpf_obj_new_impl, KF_ACQUIRE | KF_RET_NULL)
4811 BTF_ID_FLAGS(func, bpf_percpu_obj_new, KF_ACQUIRE | KF_RET_NULL | KF_IMPLICIT_ARGS)
4812 BTF_ID_FLAGS(func, bpf_percpu_obj_new_impl, KF_ACQUIRE | KF_RET_NULL)
4818 KF_ACQUIRE | KF_RET_NULL | KF_RCU | KF_IMPLICIT_ARGS | KF_SPINLOCK_SAFE)
4820 KF_ACQUIRE | KF_RET_NULL | KF_RCU | KF_SPINLOCK_SAFE)
4826 BTF_ID_FLAGS(func, bpf_list_pop_front, KF_ACQUIRE | KF_RET_NULL | KF_SPINLOCK_SAFE)
4827 BTF_ID_FLAGS(func, bpf_list_pop_back, KF_ACQUIRE | KF_RET_NULL | KF_SPINLOCK_SAFE)
4828 BTF_ID_FLAGS(func, bpf_list_del, KF_ACQUIRE | KF_RET_NULL | KF_SPINLOCK_SAFE)
4829 BTF_ID_FLAGS(func, bpf_list_front, KF_RET_NULL | KF_SPINLOCK_SAFE)
[all …]
H A Dcrypto.c355 BTF_ID_FLAGS(func, bpf_crypto_ctx_create, KF_ACQUIRE | KF_RET_NULL | KF_SLEEPABLE)
357 BTF_ID_FLAGS(func, bpf_crypto_ctx_acquire, KF_ACQUIRE | KF_RCU | KF_RET_NULL)
H A Drqspinlock.c748 BTF_ID_FLAGS(func, bpf_res_spin_lock, KF_RET_NULL | KF_SPINLOCK_SAFE)
750 BTF_ID_FLAGS(func, bpf_res_spin_lock_irqsave, KF_RET_NULL | KF_SPINLOCK_SAFE)
H A Dcpumask.c478 BTF_ID_FLAGS(func, bpf_cpumask_create, KF_ACQUIRE | KF_RET_NULL)
H A Dverifier.c11802 return meta->kfunc_flags & KF_RET_NULL; in is_kfunc_ret_null()
/linux/net/netfilter/
H A Dnf_conntrack_bpf.c523 BTF_ID_FLAGS(func, bpf_xdp_ct_alloc, KF_ACQUIRE | KF_RET_NULL)
524 BTF_ID_FLAGS(func, bpf_xdp_ct_lookup, KF_ACQUIRE | KF_RET_NULL)
525 BTF_ID_FLAGS(func, bpf_skb_ct_alloc, KF_ACQUIRE | KF_RET_NULL)
526 BTF_ID_FLAGS(func, bpf_skb_ct_lookup, KF_ACQUIRE | KF_RET_NULL)
527 BTF_ID_FLAGS(func, bpf_ct_insert_entry, KF_ACQUIRE | KF_RET_NULL | KF_RELEASE)
/linux/net/core/
H A Dbpf_ksock.c261 BTF_ID_FLAGS(func, bpf_ksock_create, KF_ACQUIRE | KF_RET_NULL | KF_SLEEPABLE)
272 BTF_ID_FLAGS(func, bpf_ksock_acquire, KF_ACQUIRE | KF_RCU | KF_RET_NULL) in BTF_ID_FLAGS()
/linux/net/xfrm/
H A Dxfrm_state_bpf.c121 BTF_ID_FLAGS(func, bpf_xdp_get_xfrm_state, KF_RET_NULL | KF_ACQUIRE)
/linux/fs/
H A Dbpf_fs_kfuncs.c420 BTF_ID_FLAGS(func, bpf_get_task_exe_file, KF_ACQUIRE | KF_RET_NULL)
427 BTF_ID_FLAGS(func, bpf_real_data_inode, KF_SLEEPABLE | KF_RET_NULL) in BTF_ID_FLAGS()
/linux/tools/testing/selftests/bpf/test_kmods/
H A Dbpf_testmod.c841 BTF_ID_FLAGS(func, bpf_iter_testmod_seq_next, KF_ITER_NEXT | KF_RET_NULL)
860 BTF_ID_FLAGS(func, bpf_kfunc_ret_rcu_test, KF_RET_NULL | KF_RCU_PROTECTED)
861 BTF_ID_FLAGS(func, bpf_kfunc_ret_rcu_test_nostruct, KF_RET_NULL | KF_RCU_PROTECTED)
862 BTF_ID_FLAGS(func, bpf_testmod_ctx_create, KF_ACQUIRE | KF_RET_NULL)
1501 BTF_ID_FLAGS(func, bpf_kfunc_call_test_acquire, KF_ACQUIRE | KF_RET_NULL) in BTF_ID_FLAGS()
1502 BTF_ID_FLAGS(func, bpf_kfunc_call_memb_acquire, KF_ACQUIRE | KF_RET_NULL) in BTF_ID_FLAGS()
1504 BTF_ID_FLAGS(func, bpf_kfunc_call_test_get_rdwr_mem, KF_RET_NULL) in BTF_ID_FLAGS()
1505 BTF_ID_FLAGS(func, bpf_kfunc_call_test_get_rdonly_mem, KF_RET_NULL) in BTF_ID_FLAGS()
1506 BTF_ID_FLAGS(func, bpf_kfunc_call_test_acq_rdonly_mem, KF_ACQUIRE | KF_RET_NULL) in BTF_ID_FLAGS()
/linux/drivers/hid/bpf/
H A Dhid_bpf_dispatch.c577 BTF_ID_FLAGS(func, hid_bpf_get_data, KF_RET_NULL)
578 BTF_ID_FLAGS(func, hid_bpf_allocate_context, KF_ACQUIRE | KF_RET_NULL | KF_SLEEPABLE)
593 BTF_ID_FLAGS(func, hid_bpf_allocate_context, KF_ACQUIRE | KF_RET_NULL | KF_SLEEPABLE)
/linux/io_uring/
H A Dbpf-ops.c56 BTF_ID_FLAGS(func, bpf_io_uring_get_region, KF_RET_NULL);
/linux/Documentation/bpf/
H A Dkfuncs.rst336 BTF_ID_FLAGS(func, bpf_get_task_pid, KF_ACQUIRE | KF_RET_NULL)
374 2.5.2 KF_RET_NULL flag
377 The KF_RET_NULL flag is used to indicate that the pointer returned by the kfunc
416 very likely also be KF_RET_NULL.
497 BTF_ID_FLAGS(func, bpf_get_task_pid, KF_ACQUIRE | KF_RET_NULL)
/linux/include/linux/
H A Dbtf.h20 #define KF_RET_NULL (1 << 2) /* kfunc returns a pointer that may be NULL */ macro
/linux/kernel/sched/ext/
H A Dext.c10675 BTF_ID_FLAGS(func, scx_bpf_dsq_peek, KF_IMPLICIT_ARGS | KF_RCU_PROTECTED | KF_RET_NULL)
10679 BTF_ID_FLAGS(func, bpf_iter_scx_dsq_next, KF_ITER_NEXT | KF_RET_NULL)
10701 BTF_ID_FLAGS(func, scx_bpf_locked_rq, KF_IMPLICIT_ARGS | KF_RET_NULL)
10702 BTF_ID_FLAGS(func, scx_bpf_cpu_curr, KF_IMPLICIT_ARGS | KF_RET_NULL | KF_RCU_PROTECTED)
10703 BTF_ID_FLAGS(func, scx_bpf_cid_curr, KF_IMPLICIT_ARGS | KF_RET_NULL | KF_RCU_PROTECTED)
10704 BTF_ID_FLAGS(func, scx_bpf_tid_to_task, KF_RET_NULL | KF_RCU_PROTECTED)
10739 BTF_ID_FLAGS(func, scx_bpf_cpu_curr, KF_IMPLICIT_ARGS | KF_RET_NULL | KF_RCU_PROTECTED)