Merge pull request #18 from TheMassController/master

Fixed return code, updated Makefile

lm4flash/Makefile

 EXE := lm4flash
 
-CFLAGS := -Wall -g -O2 $(shell pkg-config --cflags libusb-1.0)
+CFLAGS := -Wall $(shell pkg-config --cflags libusb-1.0)
 LDFLAGS := $(shell pkg-config --libs libusb-1.0)
 
+all: CFLAGS += -O2
 all: $(EXE)
 
+debug: CFLAGS += -g -DDEBUG
+debug: $(EXE)
+
 $(EXE): $(EXE).c
 	gcc $(CFLAGS) $^ $(LDFLAGS) -o $@
 

lm4flash/lm4flash.c

@@ -730,7 +730,7 @@ static int flasher_flash(const char *serial, const char *rom_name)
 		goto done;
 	}
 
-	switch (flasher_find_matching_device(
+	switch (retval = flasher_find_matching_device(
 	        ctx, &device, &retval, ICDI_VID, ICDI_PID, serial)) {
 	case FLASHER_SUCCESS:
 		break;