kernel/trace/bpf_trace.c

3168 	struct bpf_uprobe *uprobes;
3178 static void bpf_uprobe_unregister(struct path *path, struct bpf_uprobe *uprobes,
3184 		uprobe_unregister(d_real_inode(path->dentry), uprobes[i].offset,
3185 				  &uprobes[i].consumer);
3194 	bpf_uprobe_unregister(&umulti_link->path, umulti_link->uprobes, umulti_link->cnt);
3205 	kvfree(umulti_link->uprobes);
3265 		    put_user(umulti_link->uprobes[i].offset, uoffsets + i))
3268 		    put_user(umulti_link->uprobes[i].ref_ctr_offset, uref_ctr_offsets + i))
3271 		    put_user(umulti_link->uprobes[i].cookie, ucookies + i))
3370 	struct bpf_uprobe *uprobes = NULL;
3438 	uprobes = kvcalloc(cnt, sizeof(*uprobes), GFP_KERNEL);
3440 	if (!uprobes || !link)
3444 		if (__get_user(uprobes[i].offset, uoffsets + i)) {
3448 		if (uprobes[i].offset < 0) {
3452 		if (uref_ctr_offsets && __get_user(uprobes[i].ref_ctr_offset, uref_ctr_offsets + i)) {
3456 		if (ucookies && __get_user(uprobes[i].cookie, ucookies + i)) {
3461 		uprobes[i].link = link;
3464 			uprobes[i].consumer.ret_handler = uprobe_multi_link_ret_handler;
3466 			uprobes[i].consumer.handler = uprobe_multi_link_handler;
3469 			uprobes[i].consumer.filter = uprobe_multi_link_filter;
3473 	link->uprobes = uprobes;
3483 					     uprobes[i].offset,
3484 					     uprobes[i].ref_ctr_offset,
3485 					     &uprobes[i].consumer);
3487 			bpf_uprobe_unregister(&path, uprobes, i);
3499 	kvfree(uprobes);