diff --git a/[refs] b/[refs]
index 188ff61d010b..d2d471c98d07 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a4f0c2767e9c55123d7dad7176554e9d6e6056bc
+refs/heads/master: c88c5786d3df51ccfa4e2d111fc9c8fc0f5b2797
diff --git a/trunk/drivers/acpi/video.c b/trunk/drivers/acpi/video.c
index dce0a6e47f5a..44a0d9ba9bd6 100644
--- a/trunk/drivers/acpi/video.c
+++ b/trunk/drivers/acpi/video.c
@@ -897,7 +897,7 @@ acpi_video_device_write_brightness(struct file *file,
 {
 	struct seq_file *m = file->private_data;
 	struct acpi_video_device *dev = m->private;
-	char str[4] = { 0 };
+	char str[5] = { 0 };
 	unsigned int level = 0;
 	int i;