diff --git a/[refs] b/[refs]
index 2c3ba25a3de8..a4b1661c3227 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 7a0153ee15575a4d07b5da8c96b79e0b0fd41a12
+refs/heads/master: bf32c9ebc9890764c7a9984e3a0c8a57a059753d
diff --git a/trunk/tools/perf/util/event.c b/trunk/tools/perf/util/event.c
index 73ddaf06b8e7..2044324b755a 100644
--- a/trunk/tools/perf/util/event.c
+++ b/trunk/tools/perf/util/event.c
@@ -554,7 +554,7 @@ static int perf_event__process_kernel_mmap(struct perf_tool *tool __used,
 
 	is_kernel_mmap = memcmp(event->mmap.filename,
 				kmmap_prefix,
-				strlen(kmmap_prefix)) == 0;
+				strlen(kmmap_prefix) - 1) == 0;
 	if (event->mmap.filename[0] == '/' ||
 	    (!is_kernel_mmap && event->mmap.filename[0] == '[')) {