diff options
Diffstat (limited to 'drivers/usb/class/usbtmc.c')
| -rw-r--r-- | drivers/usb/class/usbtmc.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/class/usbtmc.c b/drivers/usb/class/usbtmc.c index 91d3a94eeaa..6395f22a58e 100644 --- a/drivers/usb/class/usbtmc.c +++ b/drivers/usb/class/usbtmc.c @@ -485,7 +485,8 @@ static ssize_t usbtmc_read(struct file *filp, char __user *buf, } done += n_characters; - if (n_characters < USBTMC_SIZE_IOBUFFER) + /* Terminate if end-of-message bit recieved from device */ + if ((buffer[8] & 0x01) && (actual >= n_characters + 12)) remaining = 0; else remaining -= n_characters; |