e1000e: remove unnecessary parentheses

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
diff --git a/drivers/net/ethernet/intel/e1000e/phy.c b/drivers/net/ethernet/intel/e1000e/phy.c
index 8dd2ff0..e8ad080 100644
--- a/drivers/net/ethernet/intel/e1000e/phy.c
+++ b/drivers/net/ethernet/intel/e1000e/phy.c
@@ -132,7 +132,7 @@
 	u16 phy_id;
 	u16 retry_count = 0;
 
-	if (!(phy->ops.read_reg))
+	if (!phy->ops.read_reg)
 		goto out;
 
 	while (retry_count < 2) {
@@ -382,7 +382,7 @@
 	s32 ret_val = 0;
 
 	if (!locked) {
-		if (!(hw->phy.ops.acquire))
+		if (!hw->phy.ops.acquire)
 			goto out;
 
 		ret_val = hw->phy.ops.acquire(hw);
@@ -453,7 +453,7 @@
 	s32 ret_val = 0;
 
 	if (!locked) {
-		if (!(hw->phy.ops.acquire))
+		if (!hw->phy.ops.acquire)
 			goto out;
 
 		ret_val = hw->phy.ops.acquire(hw);
@@ -526,7 +526,7 @@
 	s32 ret_val = 0;
 
 	if (!locked) {
-		if (!(hw->phy.ops.acquire))
+		if (!hw->phy.ops.acquire)
 			goto out;
 
 		ret_val = hw->phy.ops.acquire(hw);
@@ -599,7 +599,7 @@
 	s32 ret_val = 0;
 
 	if (!locked) {
-		if (!(hw->phy.ops.acquire))
+		if (!hw->phy.ops.acquire)
 			goto out;
 
 		ret_val = hw->phy.ops.acquire(hw);