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Commit 51721f70 authored by Takashi Iwai's avatar Takashi Iwai Committed by Takashi Iwai
Browse files

ALSA: Return proper error code at probe in sound/usb/* 



Some drivers in soudn/usb/* don't handle the error code properly
from snd_card_create().  This patch fixes these places.

Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 3e7fb9f7

sound/usb/caiaq/caiaq-device.c

+8 −7
Original line number Diff line number Diff line
@@ -336,7 +336,7 @@ static void __devinit setup_card(struct snd_usb_caiaqdev *dev) 
		log("Unable to set up control system (ret=%d)\n", ret);

}



static struct snd_card* create_card(struct usb_device* usb_dev)

static int create_card(struct usb_device* usb_dev, struct snd_card **cardp)

{

	int devnum;

	int err;
@@ -348,12 +348,12 @@ static struct snd_card* create_card(struct usb_device* usb_dev) 
			break;



	if (devnum >= SNDRV_CARDS)

		return NULL;

		return -ENODEV;



	err = snd_card_create(index[devnum], id[devnum], THIS_MODULE, 

			      sizeof(struct snd_usb_caiaqdev), &card);

	if (err < 0)

		return NULL;

		return err;



	dev = caiaqdev(card);

	dev->chip.dev = usb_dev;
@@ -363,7 +363,8 @@ static struct snd_card* create_card(struct usb_device* usb_dev) 
	spin_lock_init(&dev->spinlock);

	snd_card_set_dev(card, &usb_dev->dev);



	return card;

	*cardp = card;

	return 0;

}



static int __devinit init_card(struct snd_usb_caiaqdev *dev)
@@ -442,10 +443,10 @@ static int __devinit snd_probe(struct usb_interface *intf, 
	struct snd_card *card;

	struct usb_device *device = interface_to_usbdev(intf);

	

	card = create_card(device);

	ret = create_card(device, &card);

	

	if (!card)

		return -ENOMEM;

	if (ret < 0)

		return ret;

			

	usb_set_intfdata(intf, card);

	ret = init_card(caiaqdev(card));

sound/usb/usx2y/us122l.c

+31 −20
Original line number Diff line number Diff line
@@ -478,7 +478,7 @@ static bool us122l_create_card(struct snd_card *card) 
	return true;

}



static struct snd_card *usx2y_create_card(struct usb_device *device)

static int usx2y_create_card(struct usb_device *device, struct snd_card **cardp)

{

	int		dev;

	struct snd_card *card;
@@ -488,11 +488,11 @@ static struct snd_card *usx2y_create_card(struct usb_device *device) 
		if (enable[dev] && !snd_us122l_card_used[dev])

			break;

	if (dev >= SNDRV_CARDS)

		return NULL;

		return -ENODEV;

	err = snd_card_create(index[dev], id[dev], THIS_MODULE,

			      sizeof(struct us122l), &card);

	if (err < 0)

		return NULL;

		return err;

	snd_us122l_card_used[US122L(card)->chip.index = dev] = 1;



	US122L(card)->chip.dev = device;
@@ -511,48 +511,59 @@ static struct snd_card *usx2y_create_card(struct usb_device *device) 
		US122L(card)->chip.dev->devnum

		);

	snd_card_set_dev(card, &device->dev);

	return card;

	*cardp = card;

	return 0;

}



static void *us122l_usb_probe(struct usb_interface *intf,

			      const struct usb_device_id *device_id)

static int us122l_usb_probe(struct usb_interface *intf,

			    const struct usb_device_id *device_id,

			    struct snd_card **cardp)

{

	struct usb_device *device = interface_to_usbdev(intf);

	struct snd_card *card = usx2y_create_card(device);

	struct snd_card *card;

	int err;



	if (!card)

		return NULL;

	err = usx2y_create_card(device, &card);

	if (err < 0)

		return err;



	if (!us122l_create_card(card) ||

	    snd_card_register(card) < 0) {

	if (!us122l_create_card(card)) {

		snd_card_free(card);

		return -EINVAL;

	}



	err = snd_card_register(card);

	if (err < 0) {

		snd_card_free(card);

		return NULL;

		return err;

	}



	usb_get_dev(device);

	return card;

	*cardp = card;

	return 0;

}



static int snd_us122l_probe(struct usb_interface *intf,

			    const struct usb_device_id *id)

{

	struct snd_card *card;

	int err;



	snd_printdd(KERN_DEBUG"%p:%i\n",

		    intf, intf->cur_altsetting->desc.bInterfaceNumber);

	if (intf->cur_altsetting->desc.bInterfaceNumber != 1)

		return 0;



	card = us122l_usb_probe(usb_get_intf(intf), id);

	err = us122l_usb_probe(usb_get_intf(intf), id, &card);

	if (err < 0) {

		usb_put_intf(intf);

		return err;

	}



	if (card) {

	usb_set_intfdata(intf, card);

	return 0;

}



	usb_put_intf(intf);

	return -EIO;

}



static void snd_us122l_disconnect(struct usb_interface *intf)

{

	struct snd_card *card;

sound/usb/usx2y/usbusx2y.c

+28 −17
Original line number Diff line number Diff line
@@ -333,7 +333,7 @@ static struct usb_device_id snd_usX2Y_usb_id_table[] = { 
	{ /* terminator */ }

};



static struct snd_card *usX2Y_create_card(struct usb_device *device)

static int usX2Y_create_card(struct usb_device *device, struct snd_card **cardp)

{

	int		dev;

	struct snd_card *	card;
@@ -343,11 +343,11 @@ static struct snd_card *usX2Y_create_card(struct usb_device *device) 
		if (enable[dev] && !snd_usX2Y_card_used[dev])

			break;

	if (dev >= SNDRV_CARDS)

		return NULL;

		return -ENODEV;

	err = snd_card_create(index[dev], id[dev], THIS_MODULE,

			      sizeof(struct usX2Ydev), &card);

	if (err < 0)

		return NULL;

		return err;

	snd_usX2Y_card_used[usX2Y(card)->chip.index = dev] = 1;

	card->private_free = snd_usX2Y_card_private_free;

	usX2Y(card)->chip.dev = device;
@@ -365,26 +365,36 @@ static struct snd_card *usX2Y_create_card(struct usb_device *device) 
		usX2Y(card)->chip.dev->bus->busnum, usX2Y(card)->chip.dev->devnum

		);

	snd_card_set_dev(card, &device->dev);

	return card;

	*cardp = card;

	return 0;

}





static void *usX2Y_usb_probe(struct usb_device *device, struct usb_interface *intf, const struct usb_device_id *device_id)

static int usX2Y_usb_probe(struct usb_device *device,

			   struct usb_interface *intf,

			   const struct usb_device_id *device_id,

			   struct snd_card **cardp)

{

	int		err;

	struct snd_card *	card;



	*cardp = NULL;

	if (le16_to_cpu(device->descriptor.idVendor) != 0x1604 ||

	    (le16_to_cpu(device->descriptor.idProduct) != USB_ID_US122 &&

	     le16_to_cpu(device->descriptor.idProduct) != USB_ID_US224 &&

	     le16_to_cpu(device->descriptor.idProduct) != USB_ID_US428) ||

	    !(card = usX2Y_create_card(device)))

		return NULL;

	     le16_to_cpu(device->descriptor.idProduct) != USB_ID_US428))

		return -EINVAL;



	err = usX2Y_create_card(device, &card);

	if (err < 0)

		return err;

	if ((err = usX2Y_hwdep_new(card, device)) < 0  ||

	    (err = snd_card_register(card)) < 0) {

		snd_card_free(card);

		return NULL;

		return err;

	}

	return card;

	*cardp = card;

	return 0;

}



/*
@@ -392,13 +402,14 @@ static void *usX2Y_usb_probe(struct usb_device *device, struct usb_interface *in 
 */

static int snd_usX2Y_probe(struct usb_interface *intf, const struct usb_device_id *id)

{

	void *chip;

	chip = usX2Y_usb_probe(interface_to_usbdev(intf), intf, id);

	if (chip) {

		usb_set_intfdata(intf, chip);

	struct snd_card *card;

	int err;



	err = usX2Y_usb_probe(interface_to_usbdev(intf), intf, id, &card);

	if (err < 0)

		return err;

	dev_set_drvdata(&intf->dev, card);

	return 0;

	} else

		return -EIO;

}



static void snd_usX2Y_disconnect(struct usb_interface *intf)