156 	tr->fops = kzalloc(sizeof(struct ftrace_ops), GFP_KERNEL);  in bpf_trampoline_lookup()
157 	if (!tr->fops) {  in bpf_trampoline_lookup()
162 	tr->fops->private = tr;  in bpf_trampoline_lookup()
163 	tr->fops->ops_func = bpf_tramp_ftrace_ops_func;  in bpf_trampoline_lookup()
203 		ret = unregister_ftrace_direct(tr->fops, (long)old_addr, false);  in unregister_fentry()
218 			ret = modify_ftrace_direct(tr->fops, (long)new_addr);  in modify_fentry()
220 			ret = modify_ftrace_direct_nolock(tr->fops, (long)new_addr);  in modify_fentry()
237 		if (!tr->fops)  in register_fentry()
243 		ret = ftrace_set_filter_ip(tr->fops, (unsigned long)ip, 0, 1);  in register_fentry()
246 		ret = register_ftrace_direct(tr->fops, (long)new_addr);  in register_fentry()
504 		tr->fops->flags |= FTRACE_OPS_FL_JMP;  in bpf_trampoline_update()
506 		tr->fops->flags &= ~FTRACE_OPS_FL_JMP;  in bpf_trampoline_update()
540 			tr->fops->flags |= FTRACE_OPS_FL_JMP;  in bpf_trampoline_update()
542 			tr->fops->flags &= ~FTRACE_OPS_FL_JMP;  in bpf_trampoline_update()
910 	if (tr->fops) {  in bpf_trampoline_put()
911 		ftrace_free_filter(tr->fops);  in bpf_trampoline_put()
912 		kfree(tr->fops);  in bpf_trampoline_put()