trivial code style cleanup round 2

src/systemcmds/perf/perf.c

@@ -68,11 +68,13 @@ int perf_main(int argc, char *argv[])
 		if (strcmp(argv[1], "reset") == 0) {
 			perf_reset_all();
 			return 0;
+
 		} else if (strcmp(argv[1], "latency") == 0) {
 			perf_print_latency(0 /* stdout */);
 			fflush(stdout);
 			return 0;
 		}
+
 		printf("Usage: perf [reset | latency]\n");
 		return -1;
 	}

src/systemcmds/reboot/reboot.c

@@ -57,9 +57,10 @@ int reboot_main(int argc, char *argv[])
 		case 'b':
 			to_bootloader = true;
 			break;
+
 		default:
 			errx(1, "usage: reboot [-b]\n"
-				"   -b   reboot into the bootloader");
+			     "   -b   reboot into the bootloader");
 
 		}
 	}

src/systemcmds/tests/test_adc.c

@@ -71,8 +71,9 @@ int test_adc(int argc, char *argv[])
 		/* read all channels available */
 		ssize_t count = read(fd, data, sizeof(data));
 
-		if (count < 0)
+		if (count < 0) {
 			goto errout_with_dev;
+		}
 
 		unsigned channels = count / sizeof(data[0]);
 
@@ -88,7 +89,7 @@ int test_adc(int argc, char *argv[])
 
 errout_with_dev:
 
-	if (fd != 0) close(fd);
+	if (fd != 0) { close(fd); }
 
 	return OK;
 }

src/systemcmds/tests/test_hott_telemetry.c

@@ -190,7 +190,8 @@ int test_hott_telemetry(int argc, char *argv[])
 			warnx("PASS: Received %d out of %d valid byte pairs from the HoTT receiver device.", received_count, max_polls);
 
 		} else {
-			warnx("WARN: Received %d out of %d byte pairs of which %d were valid from the HoTT receiver device.", received_count, max_polls, valid_count);
+			warnx("WARN: Received %d out of %d byte pairs of which %d were valid from the HoTT receiver device.", received_count,
+			      max_polls, valid_count);
 		}
 
 	} else {

src/systemcmds/tests/test_uart_baudchange.c

@@ -146,8 +146,9 @@ int test_uart_baudchange(int argc, char *argv[])
 		/* uart2 -> */
 		r = write(uart2, sample_uart2, sizeof(sample_uart2));
 
-		if (r > 0)
+		if (r > 0) {
 			uart2_nwrite += r;
+		}
 	}
 
 	close(uart2);