Fix more red.

Change-Id: Id1a45b420f8eb70a25010b058822b78f80db33d8

2 files changed, 5 insertions, 3 deletions

diff --git a/firmware/drivers/isp1583.c b/firmware/drivers/isp1583.c
index f6168d9f28..c028d2fa01 100644
--- a/firmware/drivers/isp1583.c
+++ b/firmware/drivers/isp1583.c
@@ -365,7 +365,7 @@ static void usb_handle_data_int(int ep, int dir)
         endpoints[ep].in_ack = 1;
     }
     logf("usb_handle_data_int(%d, %d) finished", ep, dir);
-    void(len);
+    (void)len;
 }
 
 bool usb_drv_powered(void)
diff --git a/firmware/target/arm/rk27xx/hm60x/button-hm60x.c b/firmware/target/arm/rk27xx/hm60x/button-hm60x.c
index dfd209ceed..fd5b6d6d20 100644
--- a/firmware/target/arm/rk27xx/hm60x/button-hm60x.c
+++ b/firmware/target/arm/rk27xx/hm60x/button-hm60x.c
@@ -43,11 +43,13 @@ int button_read_device(void) {
     int adc_val = adc_read(ADC_BUTTONS);
     int gpio_btn = GPIO_PCDR & BUTTON_POWER;
     static bool hold_button = false;
+#ifndef BOOTLOADER
     bool hold_button_old;
-    
+
     hold_button_old = hold_button;
+#endif
     hold_button = button_hold();
-    
+
 #ifndef BOOTLOADER
     if (hold_button != hold_button_old) {
         backlight_hold_changed(hold_button);