diff --git a/[refs] b/[refs]
index 4643390c00a7..9aa3db9590e4 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: d0528b5d71faf612014dd7672e44225c915344b2
+refs/heads/master: b878e7fb22ea48b0585bbbbef249f7efc6d42748
diff --git a/trunk/include/uapi/linux/perf_event.h b/trunk/include/uapi/linux/perf_event.h
index 4f63c05d27c9..9fa9c622a7f4 100644
--- a/trunk/include/uapi/linux/perf_event.h
+++ b/trunk/include/uapi/linux/perf_event.h
@@ -579,7 +579,8 @@ enum perf_event_type {
 	 *	{ u32			size;
 	 *	  char                  data[size];}&& PERF_SAMPLE_RAW
 	 *
-	 *	{ u64 from, to, flags } lbr[nr];} && PERF_SAMPLE_BRANCH_STACK
+	 *	{ u64                   nr;
+	 *        { u64 from, to, flags } lbr[nr];} && PERF_SAMPLE_BRANCH_STACK
 	 *
 	 * 	{ u64			abi; # enum perf_sample_regs_abi
 	 * 	  u64			regs[weight(mask)]; } && PERF_SAMPLE_REGS_USER