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uas: Add some data in/out ready iu sanity checks

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Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
This commit is contained in:
Hans de Goede 2013-11-15 10:04:11 +01:00 committed by Sarah Sharp
parent 876285cc9c
commit 8e453155d7
1 changed files with 10 additions and 0 deletions
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10
drivers/usb/storage/uas.c
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@ -379,9 +379,19 @@ static void uas_stat_cmplt(struct urb *urb)
uas_try_complete(cmnd, __func__);
break;
case IU_ID_READ_READY:
if (!cmdinfo->data_in_urb ||
(cmdinfo->state & DATA_IN_URB_INFLIGHT)) {
scmd_printk(KERN_ERR, cmnd, "unexpected read rdy\n");
break;
}
uas_xfer_data(urb, cmnd, SUBMIT_DATA_IN_URB);
break;
case IU_ID_WRITE_READY:
if (!cmdinfo->data_out_urb ||
(cmdinfo->state & DATA_OUT_URB_INFLIGHT)) {
scmd_printk(KERN_ERR, cmnd, "unexpected write rdy\n");
break;
}
uas_xfer_data(urb, cmnd, SUBMIT_DATA_OUT_URB);
break;
default: