struct fsg_buffhd *bh = req->context;
if (req->status || req->actual != req->length)
- DBG(common, "%s --> %d, %u/%u\n", __func__,
+ pr_debug("%s --> %d, %u/%u\n", __func__,
req->status, req->actual, req->length);
if (req->status == -ECONNRESET) /* Request was cancelled */
usb_ep_fifo_flush(ep);
/* Hold the lock while we update the request and buffer states */
smp_wmb();
+ /*
+ * Disconnect and completion might race each other and driver data
+ * is set to NULL during ep disable. So, add a check if that is case.
+ */
+ if (!common) {
+ bh->inreq_busy = 0;
+ bh->state = BUF_STATE_EMPTY;
+ return;
+ }
+
spin_lock(&common->lock);
bh->inreq_busy = 0;
bh->state = BUF_STATE_EMPTY;