From: Hans de Goede <[email protected]>
Signed-off-by: Hans de Goede <[email protected]>
Signed-off-by: Sarah Sharp <[email protected]>
---
drivers/usb/storage/uas.c | 10 ++++++++++
1 file changed, 10 insertions(+)
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:
--
1.8.5.5
--
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