ALSA: line6: Remove superfluous out-of-memory error messages

Kernel already shows the error in the common path.
Tested-by: Chris Rorvick <chris@rorvick.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/usb/line6/capture.c

@@ -402,10 +402,8 @@ int line6_create_audio_in_urbs(struct snd_line6_pcm *line6pcm)
 		urb = line6pcm->urb_audio_in[i] =
 		    usb_alloc_urb(LINE6_ISO_PACKETS, GFP_KERNEL);
 
-		if (urb == NULL) {
-			dev_err(line6->ifcdev, "Out of memory\n");
+		if (urb == NULL)
 			return -ENOMEM;
-		}
 
 		urb->dev = line6->usbdev;
 		urb->pipe =

sound/usb/line6/driver.c

@@ -190,7 +190,6 @@ int line6_send_raw_message_async(struct usb_line6 *line6, const char *buffer,
 
 	if (urb == NULL) {
 		kfree(msg);
-		dev_err(line6->ifcdev, "Out of memory\n");
 		return -ENOMEM;
 	}
 
@@ -215,10 +214,8 @@ int line6_version_request_async(struct usb_line6 *line6)
 
 	buffer = kmemdup(line6_request_version,
 			sizeof(line6_request_version), GFP_ATOMIC);
-	if (buffer == NULL) {
-		dev_err(line6->ifcdev, "Out of memory");
+	if (buffer == NULL)
 		return -ENOMEM;
-	}
 
 	retval = line6_send_raw_message_async(line6, buffer,
 					      sizeof(line6_request_version));
@@ -593,7 +590,6 @@ int line6_probe(struct usb_interface *interface,
 		line6->urb_listen = usb_alloc_urb(0, GFP_KERNEL);
 
 		if (line6->urb_listen == NULL) {
-			dev_err(&interface->dev, "Out of memory\n");
 			ret = -ENOMEM;
 			goto err_destruct;
 		}

sound/usb/line6/midi.c

@@ -121,16 +121,13 @@ static int send_midi_async(struct usb_line6 *line6, unsigned char *data,
 
 	urb = usb_alloc_urb(0, GFP_ATOMIC);
 
-	if (urb == NULL) {
-		dev_err(line6->ifcdev, "Out of memory\n");
+	if (urb == NULL)
 		return -ENOMEM;
-	}
 
 	transfer_buffer = kmemdup(data, length, GFP_ATOMIC);
 
 	if (transfer_buffer == NULL) {
 		usb_free_urb(urb);
-		dev_err(line6->ifcdev, "Out of memory\n");
 		return -ENOMEM;
 	}
 

sound/usb/line6/playback.c

@@ -558,10 +558,8 @@ int line6_create_audio_out_urbs(struct snd_line6_pcm *line6pcm)
 		urb = line6pcm->urb_audio_out[i] =
 		    usb_alloc_urb(LINE6_ISO_PACKETS, GFP_KERNEL);
 
-		if (urb == NULL) {
-			dev_err(line6->ifcdev, "Out of memory\n");
+		if (urb == NULL)
 			return -ENOMEM;
-		}
 
 		urb->dev = line6->usbdev;
 		urb->pipe =

sound/usb/line6/variax.c

@@ -260,10 +260,8 @@ static int variax_try_init(struct usb_interface *interface,
 	variax->buffer_activate = kmemdup(variax_activate,
 					  sizeof(variax_activate), GFP_KERNEL);
 
-	if (variax->buffer_activate == NULL) {
-		dev_err(&interface->dev, "Out of memory\n");
+	if (variax->buffer_activate == NULL)
 		return -ENOMEM;
-	}
 
 	/* initialize audio system: */
 	err = line6_init_audio(&variax->line6);