Merge "net: qrtr: Use lock while looking up tx flow" (c9e88b14) · Commits · e / devices / android_kernel_fairphone_FP4

net/qrtr/qrtr.c

+4 −2

Original line number	Diff line number	Diff line
		@@ -400,11 +400,13 @@ static void qrtr_tx_resume(struct qrtr_node node, struct sk_buff skb)
		src.sq_port = le32_to_cpu(pkt.client.port);
		key = (u64)src.sq_node << 32 \| src.sq_port;

		mutex_lock(&node->qrtr_tx_lock);
		flow = radix_tree_lookup(&node->qrtr_tx_flow, key);
		if (!flow)
		if (!flow) {
		mutex_unlock(&node->qrtr_tx_lock);
		return;
		}

		mutex_lock(&node->qrtr_tx_lock);
		atomic_set(&flow->pending, 0);
		wake_up_interruptible_all(&node->resume_tx);