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staging: most: sound: call snd_card_new with struct device 

This patch is needed as function snd_card_new needs a valid
parent device. Passing a NULL pointer leads to kernel Ooops.

Signed-off-by: Christian Gromm <christian.gromm@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Christian Gromm 2018-05-08 11:45:04 +02:00 committed by Greg Kroah-Hartman
parent 3598cec585
commit 69c90cf1b2
3 changed files with 3 additions and 1 deletions
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1
drivers/staging/most/core.h
View File

@ -230,6 +230,7 @@ struct mbo {
*/
struct most_interface {
struct device dev;
struct device *driver_dev;
struct module *mod;
enum most_interface_type interface;
const char *description;

2
drivers/staging/most/sound/sound.c
View File

@ -590,7 +590,7 @@ static int audio_probe_channel(struct most_interface *iface, int channel_id,
if (ret < 0)
return ret;
ret = snd_card_new(NULL, -1, card_name, THIS_MODULE,
ret = snd_card_new(&iface->dev, -1, card_name, THIS_MODULE,
sizeof(*channel), &card);
if (ret < 0)
return ret;

1
drivers/staging/most/usb/usb.c
View File

@ -1043,6 +1043,7 @@ hdm_probe(struct usb_interface *interface, const struct usb_device_id *id)
mdev->link_stat_timer.expires = jiffies + (2 * HZ);
mdev->iface.mod = hdm_usb_fops.owner;
mdev->iface.driver_dev = &interface->dev;
mdev->iface.interface = ITYPE_USB;
mdev->iface.configure = hdm_configure_channel;
mdev->iface.request_netinfo = hdm_request_netinfo;