If the channel_mask setup fails when configuring it through sysfs,
return the error code to the caller instead of claiming success.
Signed-off-by: Ville Syrjala <syrjala@sci.fi>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
mutex_lock(&ati_remote2_mutex);
- if (mask != ar2->channel_mask && !ati_remote2_setup(ar2, mask))
- ar2->channel_mask = mask;
+ if (mask != ar2->channel_mask) {
+ r = ati_remote2_setup(ar2, mask);
+ if (!r)
+ ar2->channel_mask = mask;
+ }
mutex_unlock(&ati_remote2_mutex);
usb_autopm_put_interface(ar2->intf[0]);
- return count;
+ return r ? r : count;
}
static ssize_t ati_remote2_show_mode_mask(struct device *dev,