Merge "net: qrtr: Check for exisiting waiters" (d7c669fe) · Commits · e / devices / android_kernel_fairphone_FP5

net/qrtr/qrtr.c

+8 −0

Original line number	Diff line number	Diff line
		@@ -500,6 +500,12 @@ static int qrtr_tx_wait(struct qrtr_node node, struct sockaddr_qrtr to,
		break;
		}
		if (!ret) {
		list_for_each_entry(waiter, &flow->waiters, node) {
		if (waiter->sk == sk) {
		mutex_unlock(&node->qrtr_tx_lock);
		return -EAGAIN;
		}
		}
		waiter = kzalloc(sizeof(*waiter), GFP_KERNEL);
		if (!waiter) {
		mutex_unlock(&node->qrtr_tx_lock);
		@@ -508,6 +514,8 @@ static int qrtr_tx_wait(struct qrtr_node node, struct sockaddr_qrtr to,
		waiter->sk = sk;
		sock_hold(sk);
		list_add_tail(&waiter->node, &flow->waiters);
		QRTR_INFO(node->ilc, "new waiter for [0x%x:0x%x]\n",
		to->sq_node, to->sq_port);
		mutex_unlock(&node->qrtr_tx_lock);
		return -EAGAIN;
		}