1 files changed, 13 insertions, 9 deletions

diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index 46c5ac6b4d77..e87ed3133528 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -2328,8 +2328,11 @@ void e1000e_reset(struct e1000_adapter *adapter)
         struct e1000_mac_info *mac = &adapter->hw.mac;
         struct e1000_hw *hw = &adapter->hw;
         u32 tx_space, min_tx_space, min_rx_space;
+        u32 pba;
         u16 hwm;
 
+        ew32(PBA, adapter->pba);
+
         if (mac->max_frame_size > ETH_FRAME_LEN + ETH_FCS_LEN ) {
                 /* To maintain wire speed transmits, the Tx FIFO should be
                  * large enough to accommodate two full transmit packets,
@@ -2337,11 +2340,11 @@ void e1000e_reset(struct e1000_adapter *adapter)
                  * the Rx FIFO should be large enough to accommodate at least
                  * one full receive packet and is similarly rounded up and
                  * expressed in KB. */
-                adapter->pba = er32(PBA);
+                pba = er32(PBA);
                 /* upper 16 bits has Tx packet buffer allocation size in KB */
-                tx_space = adapter->pba >> 16;
+                tx_space = pba >> 16;
                 /* lower 16 bits has Rx packet buffer allocation size in KB */
-                adapter->pba &= 0xffff;
+                pba &= 0xffff;
                 /* the tx fifo also stores 16 bytes of information about the tx
                  * but don't include ethernet FCS because hardware appends it */
                 min_tx_space = (mac->max_frame_size +
@@ -2357,20 +2360,21 @@ void e1000e_reset(struct e1000_adapter *adapter)
                 /* If current Tx allocation is less than the min Tx FIFO size,
                  * and the min Tx FIFO size is less than the current Rx FIFO
                  * allocation, take space away from current Rx allocation */
-                if (tx_space < min_tx_space &&
-                    ((min_tx_space - tx_space) < adapter->pba)) {
-                        adapter->pba -= - (min_tx_space - tx_space);
+                if ((tx_space < min_tx_space) &&
+                    ((min_tx_space - tx_space) < pba)) {
+                        pba -= min_tx_space - tx_space;
 
                         /* if short on rx space, rx wins and must trump tx
                          * adjustment or use Early Receive if available */
-                        if ((adapter->pba < min_rx_space) &&
+                        if ((pba < min_rx_space) &&
                             (!(adapter->flags & FLAG_HAS_ERT)))
                                 /* ERT enabled in e1000_configure_rx */
-                                adapter->pba = min_rx_space;
+                                pba = min_rx_space;
                 }
+
+                ew32(PBA, pba);
         }
 
-        ew32(PBA, adapter->pba);
 
         /* flow control settings */
         /* The high water mark must be low enough to fit one full frame