drivers/net: return operator cleanup

Change "return (EXPR);" to "return EXPR;"

return is not a function, parentheses are not required.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ps3_gelic_wireless.c b/drivers/net/ps3_gelic_wireless.c
index 43b8d77..4a624a2 100644
--- a/drivers/net/ps3_gelic_wireless.c
+++ b/drivers/net/ps3_gelic_wireless.c
@@ -85,12 +85,12 @@
  */
 static inline int wpa2_capable(void)
 {
-	return (0 <= ps3_compare_firmware_version(2, 0, 0));
+	return 0 <= ps3_compare_firmware_version(2, 0, 0);
 }
 
 static inline int precise_ie(void)
 {
-	return (0 <= ps3_compare_firmware_version(2, 2, 0));
+	return 0 <= ps3_compare_firmware_version(2, 2, 0);
 }
 /*
  * post_eurus_cmd helpers
@@ -506,7 +506,7 @@
 	start[1] = (buf - start - 2);
 
 	pr_debug("%s: ->\n", __func__);
-	return (buf - start);
+	return buf - start;
 }
 
 struct ie_item {