code style: trying to get used to this syntax

firmware/controllers/algo/accel_enrichment.cpp

@@ -328,8 +328,9 @@ AccelEnrichment::AccelEnrichment() {
 #if ! EFI_UNIT_TEST
 
 static void accelInfo() {
-	if (logger == NULL)
+	if (!logger) {
 		return;
+	}
 //	scheduleMsg(logger, "EL accel length=%d", mapInstance.cb.getSize());
 	scheduleMsg(logger, "EL accel th=%.2f/mult=%.2f", engineConfiguration->engineLoadAccelEnrichmentThreshold, engineConfiguration->engineLoadAccelEnrichmentMultiplier);
 	scheduleMsg(logger, "EL decel th=%.2f/mult=%.2f", engineConfiguration->engineLoadDecelEnleanmentThreshold, engineConfiguration->engineLoadDecelEnleanmentMultiplier);

firmware/controllers/algo/nmea.c

@@ -284,8 +284,9 @@ int nmea_valid_checksum(const char *message) {
 	char p;
 	int sum = 0;
 	char *starPtr = strrchr(message, '*');
-	if (starPtr == NULL)
+	if (!starPtr) {
 		return NMEA_CHECKSUM_ERR;
+	}
 	char *int_message = starPtr + 1;
 	long checksum = hex2int(int_message, 2);
 

firmware/controllers/core/fsio_impl.cpp

@@ -386,7 +386,7 @@ static void setPinState(const char * msg, OutputPin *pin, LEElement *element DEC
 	}
 #endif /* EFI_PROD_CODE */
 
-	if (element == NULL) {
+	if (!element) {
 		warning(CUSTOM_FSIO_INVALID_EXPRESSION, "invalid expression for %s", msg);
 	} else {
 		int value = (int)calc.getValue2(pin->getLogicValue(), element PASS_ENGINE_PARAMETER_SUFFIX);

firmware/controllers/gauges/lcd_menu_tree.cpp

@@ -35,7 +35,7 @@ void MenuTree::back(void) {
 }
 
 void MenuTree::nextItem(void) {
-	if (current->next == NULL) {
+	if (!current->next) {
 		current = topVisible = current->topOfTheList;
 		return;
 	}
@@ -79,7 +79,7 @@ void MenuItem::baseConstructor(MenuItem * parent, lcd_line_e lcdLine, const char
 
 	// root element has NULL parent
 	if (parent != NULL) {
-		if (parent->firstChild == NULL) {
+		if (!parent->firstChild) {
 			topOfTheList = this;
 			parent->firstChild = this;
 		}

firmware/hw_layer/drivers/gpio/core.c

@@ -153,8 +153,9 @@ int gpiochip_register(const char *name, struct gpiochip_ops *ops, size_t size, v
 	}
 
 	/* no free chips left */
-	if (chip == NULL)
+	if (!chip) {
 		return -1;
+	}
 
 	/* register chip */
 	chip->name = name;

firmware/hw_layer/drivers/gpio/mc33972.c

@@ -342,8 +342,9 @@ int mc33972_add(unsigned int index, const struct mc33972_config *cfg)
 
 	/* check for valid cs.
 	 * DOTO: remove this check? CS can be driven by SPI */
-	if (cfg->spi_config.ssport == NULL)
+	if (!cfg->spi_config.ssport) {
 		return -1;
+	}
 
 	chip = &chips[index];