1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c
index 5a1cc089acb7..86e5749226ef 100644
--- a/drivers/net/hyperv/netvsc.c
+++ b/drivers/net/hyperv/netvsc.c
@@ -1295,6 +1295,9 @@ void netvsc_channel_cb(void *context)
         ndev = hv_get_drvdata(device);
         buffer = get_per_channel_state(channel);
 
+        /* commit_rd_index() -> hv_signal_on_read() needs this. */
+        init_cached_read_index(channel);
+
         do {
                 desc = get_next_pkt_raw(channel);
                 if (desc != NULL) {
@@ -1347,6 +1350,9 @@ void netvsc_channel_cb(void *context)
 
                         bufferlen = bytes_recvd;
                 }
+
+                init_cached_read_index(channel);
+
         } while (1);
 
         if (bufferlen > NETVSC_PACKET_SIZE)