diff --git a/[refs] b/[refs]
index 85d9e026fcf4..d9651ac07b93 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 4a9cb360197684a861bc06f06d33d5fcc8ffcbf5
+refs/heads/master: cb06199b1df492fcfbaedd2256b5054f944b664f
diff --git a/trunk/arch/arm/kernel/perf_event.c b/trunk/arch/arm/kernel/perf_event.c
index 5efa2647a2fb..d150ad1ccb5d 100644
--- a/trunk/arch/arm/kernel/perf_event.c
+++ b/trunk/arch/arm/kernel/perf_event.c
@@ -700,7 +700,7 @@ user_backtrace(struct frame_tail __user *tail,
 	 * Frame pointers should strictly progress back up the stack
 	 * (towards higher addresses).
 	 */
-	if (tail >= buftail.fp)
+	if (tail + 1 >= buftail.fp)
 		return NULL;
 
 	return buftail.fp - 1;
diff --git a/trunk/arch/arm/oprofile/common.c b/trunk/arch/arm/oprofile/common.c
index 8aa974491dfc..6adda2b5fa31 100644
--- a/trunk/arch/arm/oprofile/common.c
+++ b/trunk/arch/arm/oprofile/common.c
@@ -85,7 +85,7 @@ static struct frame_tail* user_backtrace(struct frame_tail *tail)
 
 	/* frame pointers should strictly progress back up the stack
 	 * (towards higher addresses) */
-	if (tail >= buftail[0].fp)
+	if (tail + 1 >= buftail[0].fp)
 		return NULL;
 
 	return buftail[0].fp-1;