The coherency rules mean that you cannot embed a buffer inside a descriptor. kmalloc() separately. Signed-off-by: Oliver Neukum <oneukum@xxxxxxxx> --- drivers/media/rc/igorplugusb.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/media/rc/igorplugusb.c b/drivers/media/rc/igorplugusb.c index b40dbf500186..b46362da8623 100644 --- a/drivers/media/rc/igorplugusb.c +++ b/drivers/media/rc/igorplugusb.c @@ -38,7 +38,7 @@ struct igorplugusb { struct timer_list timer; - uint8_t buf_in[MAX_PACKET]; + u8 *buf_in; char phys[64]; }; @@ -177,6 +177,9 @@ static int igorplugusb_probe(struct usb_interface *intf, if (!ir->urb) goto fail; + ir->buf_in = kmalloc(MAX_PACKET, GFP_KERNEL); + if (!ir->buf_in) + goto fail; usb_fill_control_urb(ir->urb, udev, usb_rcvctrlpipe(udev, 0), (uint8_t *)&ir->request, ir->buf_in, sizeof(ir->buf_in), igorplugusb_callback, ir); @@ -223,6 +226,7 @@ static int igorplugusb_probe(struct usb_interface *intf, rc_free_device(ir->rc); usb_free_urb(ir->urb); del_timer(&ir->timer); + kfree(ir->buf_in); return ret; } @@ -236,6 +240,7 @@ static void igorplugusb_disconnect(struct usb_interface *intf) usb_set_intfdata(intf, NULL); usb_kill_urb(ir->urb); usb_free_urb(ir->urb); + kfree(ir->buf_in); } static const struct usb_device_id igorplugusb_table[] = { -- 2.35.3