diff --git a/[refs] b/[refs]
index 9bfcd8bb598b..482a4f0b3494 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 8d0df7a3d1ecbaf5d5602a59055c8ca993855bed
+refs/heads/master: e5bc49ba7439b9726006d031d440cba96819f0f8
diff --git a/trunk/fs/pipe.c b/trunk/fs/pipe.c
index 3a48ba5179d5..14f502b89cf5 100644
--- a/trunk/fs/pipe.c
+++ b/trunk/fs/pipe.c
@@ -699,12 +699,12 @@ pipe_rdwr_fasync(int fd, struct file *filp, int on)
 	int retval;
 
 	mutex_lock(&inode->i_mutex);
-
 	retval = fasync_helper(fd, filp, on, &pipe->fasync_readers);
-
-	if (retval >= 0)
+	if (retval >= 0) {
 		retval = fasync_helper(fd, filp, on, &pipe->fasync_writers);
-
+		if (retval < 0) /* this can happen only if on == T */
+			fasync_helper(-1, filp, 0, &pipe->fasync_readers);
+	}
 	mutex_unlock(&inode->i_mutex);
 
 	if (retval < 0)