diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/gadget/function/f_mtp.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/usb/gadget/function/f_mtp.c b/drivers/usb/gadget/function/f_mtp.c index 6214f9a78845..269159a0fe9a 100644 --- a/drivers/usb/gadget/function/f_mtp.c +++ b/drivers/usb/gadget/function/f_mtp.c @@ -586,10 +586,6 @@ static ssize_t mtp_read(struct file *fp, char __user *buf, DBG(cdev, "mtp_read(%zu)\n", count); - len = ALIGN(count, dev->ep_out->maxpacket); - if (len > mtp_rx_req_len) - return -EINVAL; - /* we will block until we're online */ DBG(cdev, "mtp_read: waiting for online state\n"); ret = wait_event_interruptible(dev->read_wq, @@ -598,6 +594,11 @@ static ssize_t mtp_read(struct file *fp, char __user *buf, r = ret; goto done; } + + len = ALIGN(count, dev->ep_out->maxpacket); + if (len > mtp_rx_req_len) + return -EINVAL; + spin_lock_irq(&dev->lock); if (dev->state == STATE_CANCELED) { /* report cancelation to userspace */ |