diff --git a/[refs] b/[refs]
index 4abb93e23e3a..b2afd5f32107 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: c2cd26e15b84b964c489f2aff278cdaf03840c93
+refs/heads/master: 92d07e422df3cc5370d0d9b95a671abb69d50ef1
diff --git a/trunk/drivers/usb/class/usbtmc.c b/trunk/drivers/usb/class/usbtmc.c
index f2fde7cd6109..91d3a94eeaa0 100644
--- a/trunk/drivers/usb/class/usbtmc.c
+++ b/trunk/drivers/usb/class/usbtmc.c
@@ -473,6 +473,10 @@ static ssize_t usbtmc_read(struct file *filp, char __user *buf,
 			n_characters = this_part;
 		}
 
+		/* Bound amount of data received by amount of data requested */
+		if (n_characters > this_part)
+			n_characters = this_part;
+
 		/* Copy buffer to user space */
 		if (copy_to_user(buf + done, &buffer[12], n_characters)) {
 			/* There must have been an addressing problem */