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path: root/net/qrtr/af_qrtr.c
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Diffstat (limited to 'net/qrtr/af_qrtr.c')
-rw-r--r--net/qrtr/af_qrtr.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/qrtr/af_qrtr.c b/net/qrtr/af_qrtr.c
index 5c2fb992803b..3a70255c8d02 100644
--- a/net/qrtr/af_qrtr.c
+++ b/net/qrtr/af_qrtr.c
@@ -393,10 +393,12 @@ static struct qrtr_node *qrtr_node_lookup(unsigned int nid)
struct qrtr_node *node;
unsigned long flags;
+ mutex_lock(&qrtr_node_lock);
spin_lock_irqsave(&qrtr_nodes_lock, flags);
node = radix_tree_lookup(&qrtr_nodes, nid);
node = qrtr_node_acquire(node);
spin_unlock_irqrestore(&qrtr_nodes_lock, flags);
+ mutex_unlock(&qrtr_node_lock);
return node;
}