diff options
Diffstat (limited to 'drivers/media/video/cx231xx/cx231xx-core.c')
| -rw-r--r-- | drivers/media/video/cx231xx/cx231xx-core.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/media/video/cx231xx/cx231xx-core.c b/drivers/media/video/cx231xx/cx231xx-core.c index d4457f9488ee..08dd930f882a 100644 --- a/drivers/media/video/cx231xx/cx231xx-core.c +++ b/drivers/media/video/cx231xx/cx231xx-core.c @@ -166,6 +166,9 @@ int cx231xx_send_usb_command(struct cx231xx_i2c *i2c_bus, u8 _i2c_nostop = 0; u8 _i2c_reserve = 0; + if (dev->state & DEV_DISCONNECTED) + return -ENODEV; + /* Get the I2C period, nostop and reserve parameters */ _i2c_period = i2c_bus->i2c_period; _i2c_nostop = i2c_bus->i2c_nostop; @@ -1071,7 +1074,7 @@ int cx231xx_init_isoc(struct cx231xx *dev, int max_packets, sb_size, cx231xx_isoc_irq_callback, dma_q, 1); urb->number_of_packets = max_packets; - urb->transfer_flags = URB_ISO_ASAP; + urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP; k = 0; for (j = 0; j < max_packets; j++) { @@ -1182,7 +1185,7 @@ int cx231xx_init_bulk(struct cx231xx *dev, int max_packets, return -ENOMEM; } dev->video_mode.bulk_ctl.urb[i] = urb; - urb->transfer_flags = 0; + urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP; dev->video_mode.bulk_ctl.transfer_buffer[i] = usb_alloc_coherent(dev->udev, sb_size, GFP_KERNEL, |