diff options
Diffstat (limited to 'drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c')
| -rw-r--r-- | drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c b/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c index 66ab0c6e978..4a3f2b8ea37 100644 --- a/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c +++ b/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c @@ -808,6 +808,12 @@ static int ttusb_alloc_iso_urbs(struct ttusb *ttusb) ISO_BUF_COUNT, &ttusb->iso_dma_handle); + if (!ttusb->iso_buffer) { + dprintk("%s: pci_alloc_consistent - not enough memory\n", + __func__); + return -ENOMEM; + } + memset(ttusb->iso_buffer, 0, ISO_FRAME_SIZE * FRAMES_PER_ISO_BUF * ISO_BUF_COUNT); @@ -1659,7 +1665,14 @@ static int ttusb_probe(struct usb_interface *intf, const struct usb_device_id *i ttusb_setup_interfaces(ttusb); - ttusb_alloc_iso_urbs(ttusb); + result = ttusb_alloc_iso_urbs(ttusb); + if (result < 0) { + dprintk("%s: ttusb_alloc_iso_urbs - failed\n", __func__); + mutex_unlock(&ttusb->semi2c); + kfree(ttusb); + return result; + } + if (ttusb_init_controller(ttusb)) printk("ttusb_init_controller: error\n"); |