817 static int binder_inc_node_nilocked(struct binder_node *node, int strong,  in binder_inc_node_nilocked()  argument
826 	if (strong) {  in binder_inc_node_nilocked()
833 				pr_err("invalid inc strong node for %d\n",  in binder_inc_node_nilocked()
866 static int binder_inc_node(struct binder_node *node, int strong, int internal,  in binder_inc_node()  argument
872 	ret = binder_inc_node_nilocked(node, strong, internal, target_list);  in binder_inc_node()
879 				     int strong, int internal)  in binder_dec_node_nilocked()  argument
886 	if (strong) {  in binder_dec_node_nilocked()
938 static void binder_dec_node(struct binder_node *node, int strong, int internal)  in binder_dec_node()  argument
943 	free_node = binder_dec_node_nilocked(node, strong, internal);  in binder_dec_node()
1010 	 * and cleanup is needed. Calling with strong=0 and internal=1  in binder_dec_node_tmpref()
1038 		} else if (need_strong_ref && !ref->data.strong) {  in binder_get_ref_olocked()
1039 			binder_user_error("tried to use weak ref as strong ref\n");  in binder_get_ref_olocked()
1145 	if (ref->data.strong)  in binder_cleanup_ref_olocked()
1177  * @strong:      if true, strong increment, else weak
1184 static int binder_inc_ref_olocked(struct binder_ref *ref, int strong,  in binder_inc_ref_olocked()  argument
1189 	if (strong) {  in binder_inc_ref_olocked()
1190 		if (ref->data.strong == 0) {  in binder_inc_ref_olocked()
1195 		ref->data.strong++;  in binder_inc_ref_olocked()
1210  * @strong:	if true, strong decrement, else weak
1216 static bool binder_dec_ref_olocked(struct binder_ref *ref, int strong)  in binder_dec_ref_olocked()  argument
1218 	if (strong) {  in binder_dec_ref_olocked()
1219 		if (ref->data.strong == 0) {  in binder_dec_ref_olocked()
1220 			binder_user_error("%d invalid dec strong, ref %d desc %d s %d w %d\n",  in binder_dec_ref_olocked()
1222 					  ref->data.desc, ref->data.strong,  in binder_dec_ref_olocked()
1226 		ref->data.strong--;  in binder_dec_ref_olocked()
1227 		if (ref->data.strong == 0)  in binder_dec_ref_olocked()
1228 			binder_dec_node(ref->node, strong, 1);  in binder_dec_ref_olocked()
1233 					  ref->data.desc, ref->data.strong,  in binder_dec_ref_olocked()
1239 	if (ref->data.strong == 0 && ref->data.weak == 0) {  in binder_dec_ref_olocked()
1250  * @need_strong_ref: if true, only return node if ref is strong
1255  * Return: a binder_node or NULL if not found or not strong when strong required
1306  * @strong:	true=strong reference, false=weak reference
1315 		uint32_t desc, bool increment, bool strong,  in binder_update_ref_for_handle()  argument
1323 	ref = binder_get_ref_olocked(proc, desc, strong);  in binder_update_ref_for_handle()
1329 		ret = binder_inc_ref_olocked(ref, strong, NULL);  in binder_update_ref_for_handle()
1331 		delete_ref = binder_dec_ref_olocked(ref, strong);  in binder_update_ref_for_handle()
1350  * @strong:	true=strong reference, false=weak reference
1358 		uint32_t desc, bool strong, struct binder_ref_data *rdata)  in binder_dec_ref_for_handle()  argument
1360 	return binder_update_ref_for_handle(proc, desc, false, strong, rdata);  in binder_dec_ref_for_handle()
1368  * @strong:	 true=strong reference, false=weak reference
1379 			bool strong,  in binder_inc_ref_for_node()  argument
1397 	ret = binder_inc_ref_olocked(ref, strong, target_list);  in binder_inc_ref_for_node()
1404 		 * with strong=0 and a tmp_refs will not decrement  in binder_inc_ref_for_node()
2853  * since it has a reference to the target. The local strong ref keeps it
2856  * counting bug, relying on the local strong ref can fail.
2858  * Since user-space can cause the local strong ref to go away, we also take
3019 			 * There must already be a strong ref  in binder_transaction()
3020 			 * on this node. If so, do a strong  in binder_transaction()
3840 			bool strong = cmd == BC_ACQUIRE || cmd == BC_RELEASE;  in binder_thread_write()  local
3863 							strong, NULL, &rdata);  in binder_thread_write()
3869 						proc, target, increment, strong,  in binder_thread_write()
3894 					strong, target, ret);  in binder_thread_write()
3900 				     rdata.debug_id, rdata.desc, rdata.strong,  in binder_thread_write()
4127 				     ref->data.desc, ref->data.strong,  in binder_thread_write()
4510 			int strong, weak;  in binder_thread_read()  local
4519 			strong = node->internal_strong_refs ||  in binder_thread_read()
4523 					node->tmp_refs || strong;  in binder_thread_read()
4532 			if (strong && !has_strong_ref) {  in binder_thread_read()
4537 			if (!strong && has_strong_ref)  in binder_thread_read()
4541 			if (!weak && !strong) {  in binder_thread_read()
4570 			if (!ret && strong && !has_strong_ref)  in binder_thread_read()
4575 			if (!ret && !strong && has_strong_ref)  in binder_thread_read()
6118 		   ref->node->debug_id, ref->data.strong,  in print_binder_ref_olocked()
6295 	int count, strong, weak, ready_threads;  in print_binder_proc_stats()  local
6323 	strong = 0;  in print_binder_proc_stats()
6330 		strong += ref->data.strong;  in print_binder_proc_stats()
6334 	seq_printf(m, "  refs: %d s %d w %d\n", count, strong, weak);  in print_binder_proc_stats()