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-rw-r--r--drivers/usb/class/usbtmc.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/class/usbtmc.c b/drivers/usb/class/usbtmc.c
index 91d3a94eeaa0..6395f22a58e1 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;
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