e1000e: checkpatch warnings - braces

WARNING: braces {} are not necessary for any arm of this statement
WARNING: braces {} are not necessary for single statement blocks

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Emil Tantilov <emil.s.tantilov@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index ec7b77f..fe50242a 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -1806,9 +1806,8 @@
 				err = pci_enable_msix(adapter->pdev,
 						      adapter->msix_entries,
 						      adapter->num_vectors);
-				if (err == 0) {
+				if (err == 0)
 					return;
-				}
 			}
 			/* MSI-X failed, so fall through and try MSI */
 			e_err("Failed to initialize MSI-X interrupts.  "
@@ -2198,9 +2197,8 @@
 
 	e1000_clean_rx_ring(adapter);
 
-	for (i = 0; i < rx_ring->count; i++) {
+	for (i = 0; i < rx_ring->count; i++)
 		kfree(rx_ring->buffer_info[i].ps_pages);
-	}
 
 	vfree(rx_ring->buffer_info);
 	rx_ring->buffer_info = NULL;
@@ -2240,20 +2238,18 @@
 		/* handle TSO and jumbo frames */
 		if (bytes/packets > 8000)
 			retval = bulk_latency;
-		else if ((packets < 5) && (bytes > 512)) {
+		else if ((packets < 5) && (bytes > 512))
 			retval = low_latency;
-		}
 		break;
 	case low_latency:  /* 50 usec aka 20000 ints/s */
 		if (bytes > 10000) {
 			/* this if handles the TSO accounting */
-			if (bytes/packets > 8000) {
+			if (bytes/packets > 8000)
 				retval = bulk_latency;
-			} else if ((packets < 10) || ((bytes/packets) > 1200)) {
+			else if ((packets < 10) || ((bytes/packets) > 1200))
 				retval = bulk_latency;
-			} else if ((packets > 35)) {
+			else if ((packets > 35))
 				retval = lowest_latency;
-			}
 		} else if (bytes/packets > 2000) {
 			retval = bulk_latency;
 		} else if (packets <= 2 && bytes < 512) {
@@ -2262,9 +2258,8 @@
 		break;
 	case bulk_latency: /* 250 usec aka 4000 ints/s */
 		if (bytes > 25000) {
-			if (packets > 35) {
+			if (packets > 35)
 				retval = low_latency;
-			}
 		} else if (bytes < 6000) {
 			retval = low_latency;
 		}