diff --git a/[refs] b/[refs]
index 3470bdcabf70..14539fa33144 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 9465efc9e96135a2cec8154c0c766fa59984a298
+refs/heads/master: b7e3e1fbf69d1b6abfd337460ea17d7230e3a6e5
diff --git a/trunk/drivers/message/fusion/mptctl.c b/trunk/drivers/message/fusion/mptctl.c
index e630b50966ec..c5946560c4e2 100644
--- a/trunk/drivers/message/fusion/mptctl.c
+++ b/trunk/drivers/message/fusion/mptctl.c
@@ -548,11 +548,15 @@ static int
 mptctl_fasync(int fd, struct file *filep, int mode)
 {
 	MPT_ADAPTER	*ioc;
+	int ret;
 
+	lock_kernel();
 	list_for_each_entry(ioc, &ioc_list, list)
 		ioc->aen_event_read_flag=0;
 
-	return fasync_helper(fd, filep, mode, &async_queue);
+	ret = fasync_helper(fd, filep, mode, &async_queue);
+	unlock_kernel();
+	return ret;
 }
 
 static int