1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 812dc3a65efb..a8d3141582a5 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -526,8 +526,8 @@ static void tun_flow_update(struct tun_struct *tun, u32 rxhash,
         e = tun_flow_find(head, rxhash);
         if (likely(e)) {
                 /* TODO: keep queueing to old queue until it's empty? */
-                if (e->queue_index != queue_index)
-                        e->queue_index = queue_index;
+                if (READ_ONCE(e->queue_index) != queue_index)
+                        WRITE_ONCE(e->queue_index, queue_index);
                 if (e->updated != jiffies)
                         e->updated = jiffies;
                 sock_rps_record_flow_hash(e->rps_rxhash);