e1000e: cleanup functions that clear hardware statistics

The e1000_clear_hw_cntrs_*() functions read the registers to clear them.
There is no reason to save the register contents so the temp variable can
be removed.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 37 insertions, 39 deletions

diff --git a/drivers/net/e1000e/lib.c b/drivers/net/e1000e/lib.c
index d173bf88cc94..f690a1055b41 100644
--- a/drivers/net/e1000e/lib.c
+++ b/drivers/net/e1000e/lib.c
@@ -295,45 +295,43 @@ void e1000e_update_mc_addr_list_generic(struct e1000_hw *hw,
  **/
 void e1000e_clear_hw_cntrs_base(struct e1000_hw *hw)
 {
-        u32 temp;
-
-        temp = er32(CRCERRS);
-        temp = er32(SYMERRS);
-        temp = er32(MPC);
-        temp = er32(SCC);
-        temp = er32(ECOL);
-        temp = er32(MCC);
-        temp = er32(LATECOL);
-        temp = er32(COLC);
-        temp = er32(DC);
-        temp = er32(SEC);
-        temp = er32(RLEC);
-        temp = er32(XONRXC);
-        temp = er32(XONTXC);
-        temp = er32(XOFFRXC);
-        temp = er32(XOFFTXC);
-        temp = er32(FCRUC);
-        temp = er32(GPRC);
-        temp = er32(BPRC);
-        temp = er32(MPRC);
-        temp = er32(GPTC);
-        temp = er32(GORCL);
-        temp = er32(GORCH);
-        temp = er32(GOTCL);
-        temp = er32(GOTCH);
-        temp = er32(RNBC);
-        temp = er32(RUC);
-        temp = er32(RFC);
-        temp = er32(ROC);
-        temp = er32(RJC);
-        temp = er32(TORL);
-        temp = er32(TORH);
-        temp = er32(TOTL);
-        temp = er32(TOTH);
-        temp = er32(TPR);
-        temp = er32(TPT);
-        temp = er32(MPTC);
-        temp = er32(BPTC);
+        er32(CRCERRS);
+        er32(SYMERRS);
+        er32(MPC);
+        er32(SCC);
+        er32(ECOL);
+        er32(MCC);
+        er32(LATECOL);
+        er32(COLC);
+        er32(DC);
+        er32(SEC);
+        er32(RLEC);
+        er32(XONRXC);
+        er32(XONTXC);
+        er32(XOFFRXC);
+        er32(XOFFTXC);
+        er32(FCRUC);
+        er32(GPRC);
+        er32(BPRC);
+        er32(MPRC);
+        er32(GPTC);
+        er32(GORCL);
+        er32(GORCH);
+        er32(GOTCL);
+        er32(GOTCH);
+        er32(RNBC);
+        er32(RUC);
+        er32(RFC);
+        er32(ROC);
+        er32(RJC);
+        er32(TORL);
+        er32(TORH);
+        er32(TOTL);
+        er32(TOTH);
+        er32(TPR);
+        er32(TPT);
+        er32(MPTC);
+        er32(BPTC);
 }
 
 /**