diff --git a/[refs] b/[refs]
index 4204f38cf99d..f0120e6a2d32 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 12ff4bf58b64ad3b8fb8e27889c99dcd5aa6fb0b
+refs/heads/master: 39a37ce1cc5eef420604fa68b776ff5dab400340
diff --git a/trunk/lib/dma-debug.c b/trunk/lib/dma-debug.c
index ba8b67039d13..01e64270e246 100644
--- a/trunk/lib/dma-debug.c
+++ b/trunk/lib/dma-debug.c
@@ -570,7 +570,7 @@ static ssize_t filter_write(struct file *file, const char __user *userbuf,
 	 * Now parse out the first token and use it as the name for the
 	 * driver to filter for.
 	 */
-	for (i = 0; i < NAME_MAX_LEN; ++i) {
+	for (i = 0; i < NAME_MAX_LEN - 1; ++i) {
 		current_driver_name[i] = buf[i];
 		if (isspace(buf[i]) || buf[i] == ' ' || buf[i] == 0)
 			break;