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author | Hans de Goede <hdegoede@redhat.com> | 2013-11-15 10:04:11 +0100 |
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committer | Sarah Sharp <sarah.a.sharp@linux.intel.com> | 2014-03-05 00:38:26 +0100 |
commit | 8e453155d7f8dfa53863ba6f8da6c68f7c17ece4 (patch) | |
tree | 00c7fc346e599aa3efca73583aa1dcaf9e04f2c7 | |
parent | uas: Improve error reporting (diff) | |
download | linux-8e453155d7f8dfa53863ba6f8da6c68f7c17ece4.tar.xz linux-8e453155d7f8dfa53863ba6f8da6c68f7c17ece4.zip |
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>
-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 f09205b162e4..62086829af14 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: |