Upgrade to 4.4.50-rt62

[kvmfornfv.git] / kernel / drivers / net / ethernet / sfc / ef10.c

diff --git a/kernel/drivers/net/ethernet/sfc/ef10.c b/kernel/drivers/net/ethernet/sfc/ef10.c
index e6a084a..cbe9a33 100644 (file)
--- a/kernel/drivers/net/ethernet/sfc/ef10.c
+++ b/kernel/drivers/net/ethernet/sfc/ef10.c
@@ -619,6 +619,17 @@ fail:
        return rc;
 }
 
+static void efx_ef10_forget_old_piobufs(struct efx_nic *efx)
+{
+       struct efx_channel *channel;
+       struct efx_tx_queue *tx_queue;
+
+       /* All our existing PIO buffers went away */
+       efx_for_each_channel(channel, efx)
+               efx_for_each_channel_tx_queue(tx_queue, channel)
+                       tx_queue->piobuf = NULL;
+}
+
 #else /* !EFX_USE_PIO */
 
 static int efx_ef10_alloc_piobufs(struct efx_nic *efx, unsigned int n)
@@ -635,6 +646,10 @@ static void efx_ef10_free_piobufs(struct efx_nic *efx)
 {
 }
 
+static void efx_ef10_forget_old_piobufs(struct efx_nic *efx)
+{
+}
+
 #endif /* EFX_USE_PIO */
 
 static void efx_ef10_remove(struct efx_nic *efx)
@@ -1018,6 +1033,7 @@ static void efx_ef10_reset_mc_allocations(struct efx_nic *efx)
        nic_data->must_realloc_vis = true;
        nic_data->must_restore_filters = true;
        nic_data->must_restore_piobufs = true;
+       efx_ef10_forget_old_piobufs(efx);
        nic_data->rx_rss_context = EFX_EF10_RSS_CONTEXT_INVALID;
 
        /* Driver-created vswitches and vports must be re-created */