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| author | Hans de Goede <hdegoede@redhat.com> | 2014-09-13 12:26:51 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-09-23 21:42:12 -0700 |
| commit | fac1f48584c1b6c745412cf8c5dbdc1725aad8f2 (patch) | |
| tree | 032643f3550c9ac6b5142ee2a52bcb0a962487a1 /drivers | |
| parent | ce39fe6fa115d9fea0112c907773a400b98d2463 (diff) | |
| download | linux-fac1f48584c1b6c745412cf8c5dbdc1725aad8f2.tar.gz linux-fac1f48584c1b6c745412cf8c5dbdc1725aad8f2.tar.bz2 linux-fac1f48584c1b6c745412cf8c5dbdc1725aad8f2.zip | |
uas: Add response iu handling
If something goes wrong in our communication with an uas device we may get
a response iu in reaction to a cmnd, rather then a status iu. In this case
propagate an error upwards, rather then logging a bogus iu message.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -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 dfa11912708d..b27fe21d866d 100644 --- a/drivers/usb/storage/uas.c +++ b/drivers/usb/storage/uas.c @@ -328,6 +328,16 @@ static void uas_stat_cmplt(struct urb *urb) } uas_xfer_data(urb, cmnd, SUBMIT_DATA_OUT_URB); break; + case IU_ID_RESPONSE: + uas_log_cmd_state(cmnd, "unexpected response iu", + ((struct response_iu *)iu)->response_code); + /* Error, cancel data transfers */ + data_in_urb = usb_get_urb(cmdinfo->data_in_urb); + data_out_urb = usb_get_urb(cmdinfo->data_out_urb); + cmdinfo->state &= ~COMMAND_INFLIGHT; + cmnd->result = DID_ERROR << 16; + uas_try_complete(cmnd, __func__); + break; default: uas_log_cmd_state(cmnd, "bogus IU", iu->iu_id); } |