1 files changed, 6 insertions, 1 deletions

diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c
index ac571cf14485..c7004dcb5838 100644
--- a/drivers/net/ethernet/sfc/efx.c
+++ b/drivers/net/ethernet/sfc/efx.c
@@ -585,7 +585,12 @@ static int efx_probe_channels(struct efx_nic *efx)
         /* Restart special buffer allocation */
         efx->next_buffer_table = 0;
 
-        efx_for_each_channel(channel, efx) {
+        /* Probe channels in reverse, so that any 'extra' channels
+         * use the start of the buffer table. This allows the traffic
+         * channels to be resized without moving them or wasting the
+         * entries before them.
+         */
+        efx_for_each_channel_rev(channel, efx) {
                 rc = efx_probe_channel(channel);
                 if (rc) {
                         netif_err(efx, probe, efx->net_dev,