if (wbuf == NULL || wlen == 0)
return -EINVAL;
- if ((ret = down_interruptible(&d->usb_sem)))
+ if ((ret = mutex_lock_interruptible(&d->usb_mutex)))
return ret;
deb_xfer(">>> ");
}
}
- up(&d->usb_sem);
+ mutex_unlock(&d->usb_mutex);
return ret;
}
EXPORT_SYMBOL(dvb_usb_generic_rw);
deb_mem("all in all I will use %lu bytes for streaming\n",num*size);
- if ((d->buf_list = kmalloc(num*sizeof(u8 *), GFP_ATOMIC)) == NULL)
+ if ((d->buf_list = kcalloc(num, sizeof(u8 *), GFP_ATOMIC)) == NULL)
return -ENOMEM;
- if ((d->dma_addr = kmalloc(num*sizeof(dma_addr_t), GFP_ATOMIC)) == NULL) {
+ if ((d->dma_addr = kcalloc(num, sizeof(dma_addr_t), GFP_ATOMIC)) == NULL) {
kfree(d->buf_list);
return -ENOMEM;
}
- memset(d->buf_list,0,num*sizeof(u8 *));
- memset(d->dma_addr,0,num*sizeof(dma_addr_t));
d->state |= DVB_USB_STATE_URB_BUF;
usb_clear_halt(d->udev,usb_rcvbulkpipe(d->udev,d->props.urb.endpoint));
/* allocate the array for the data transfer URBs */
- d->urb_list = kmalloc(d->props.urb.count * sizeof(struct urb *),GFP_KERNEL);
+ d->urb_list = kzalloc(d->props.urb.count * sizeof(struct urb *),GFP_KERNEL);
if (d->urb_list == NULL)
return -ENOMEM;
- memset(d->urb_list,0,d->props.urb.count * sizeof(struct urb *));
d->state |= DVB_USB_STATE_URB_LIST;
switch (d->props.urb.type) {