diff options
| author | Hans de Goede <hdegoede@redhat.com> | 2013-11-15 10:04:11 +0100 |
|---|---|---|
| committer | Sarah Sharp <sarah.a.sharp@linux.intel.com> | 2014-03-04 15:38:26 -0800 |
| commit | 8e453155d7f8dfa53863ba6f8da6c68f7c17ece4 (patch) | |
| tree | 00c7fc346e599aa3efca73583aa1dcaf9e04f2c7 /drivers/usb/storage/uas.c | |
| parent | 876285cc9cf418f626375f28bb0fc5d88012f12d (diff) | |
| download | linux-8e453155d7f8dfa53863ba6f8da6c68f7c17ece4.tar.gz | |
uas: Add some data in/out ready iu sanity checks
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Diffstat (limited to 'drivers/usb/storage/uas.c')
| -rw-r--r-- | drivers/usb/storage/uas.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c index f09205b162e49..62086829af14e 100644 --- a/drivers/usb/storage/uas.c +++ b/drivers/usb/storage/uas.c @@ -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: |