diff --git a/drivers/usb/class/usbtmc.c b/drivers/usb/class/usbtmc.c index 91d3a94eeaa0130dfea6a057c3a92551e95553c7..6395f22a58e15a5181b77235db262e44a69eae6a 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;