Commit 98c47d61 authored Oct 12, 2018 by Chris Lew Committed by Ashwini Muduganti Oct 28, 2018

net: qrtr: Remove flow count on send failure



If the transport fails to send a message, remove the flow ref count
that this msg took in qrtr_tx_wait. This alleviates the pressure during
SSR cleanup and all sends are failing.

Change-Id: Ifdd4470ddff86f7848344ab6b84b7ee77ee4f634
Signed-off-by: Chris Lew <clew@codeaurora.org>
Signed-off-by: Ashwini Muduganti <amudug@codeaurora.org>

parent 2d331e83

net/qrtr/qrtr.c

+11 −0

Original line number	Diff line number	Diff line
		@@ -530,6 +530,17 @@ static int qrtr_node_enqueue(struct qrtr_node node, struct sk_buff skb,
		if (!rc && type == QRTR_TYPE_HELLO)
		atomic_inc(&node->hello_sent);

		if (rc) {
		struct qrtr_tx_flow *flow;
		unsigned long key = (u64)to->sq_node << 32 \| to->sq_port;

		mutex_lock(&node->qrtr_tx_lock);
		flow = radix_tree_lookup(&node->qrtr_tx_flow, key);
		if (flow)
		atomic_dec(&flow->pending);
		mutex_unlock(&node->qrtr_tx_lock);
		}

		return rc;
		}