ALSA: line6: Remove CHECK_RETURN macro

Such a macro doesn't improve readability.

Tested-by: Chris Rorvick <chris@rorvick.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/usb/line6/driver.h b/sound/usb/line6/driver.h
index 8e4d946..f484aa0 100644 (file)
--- a/sound/usb/line6/driver.h
+++ b/sound/usb/line6/driver.h
@@ -48,13 +48,6 @@
 
 #define LINE6_CHANNEL_MASK 0x0f
 
-#define CHECK_RETURN(x)                \
-do {                           \
-       err = x;                \
-       if (err < 0)            \
-               return err;     \
-} while (0)
-
 #define CHECK_STARTUP_PROGRESS(x, n)   \
 do {                                   \
        if ((x) >= (n))                 \

diff --git a/sound/usb/line6/pod.c b/sound/usb/line6/pod.c
index 6b30deb..6f4b099 100644 (file)
--- a/sound/usb/line6/pod.c
+++ b/sound/usb/line6/pod.c
@@ -429,9 +429,15 @@ static int pod_create_files2(struct device *dev)
 {
        int err;
 
-       CHECK_RETURN(device_create_file(dev, &dev_attr_device_id));
-       CHECK_RETURN(device_create_file(dev, &dev_attr_firmware_version));
-       CHECK_RETURN(device_create_file(dev, &dev_attr_serial_number));
+       err = device_create_file(dev, &dev_attr_device_id);
+       if (err < 0)
+               return err;
+       err = device_create_file(dev, &dev_attr_firmware_version);
+       if (err < 0)
+               return err;
+       err = device_create_file(dev, &dev_attr_serial_number);
+       if (err < 0)
+               return err;
        return 0;
 }
 

diff --git a/sound/usb/line6/toneport.c b/sound/usb/line6/toneport.c
index 3097a75..24544b7 100644 (file)
--- a/sound/usb/line6/toneport.c
+++ b/sound/usb/line6/toneport.c
@@ -431,10 +431,12 @@ static int toneport_init(struct usb_interface *interface,
        line6_read_data(line6, 0x80c2, &toneport->firmware_version, 1);
 
        if (toneport_has_led(toneport->type)) {
-               CHECK_RETURN(device_create_file
-                            (&interface->dev, &dev_attr_led_red));
-               CHECK_RETURN(device_create_file
-                            (&interface->dev, &dev_attr_led_green));
+               err = device_create_file(&interface->dev, &dev_attr_led_red);
+               if (err < 0)
+                       return err;
+               err = device_create_file(&interface->dev, &dev_attr_led_green);
+               if (err < 0)
+                       return err;
        }
 
        toneport_setup(toneport);