From: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Date: Mon, 27 Oct 2014 22:52:04 +0000 (-0700)
Subject: rcutorture: Fix rcu_torture_cbflood() memory leak
X-Git-Tag: firefly_0821_release~176^2~2760^2^2~1
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=b8969d1a506cdb8ed1e4ae474e931dfcba277da1;p=firefly-linux-kernel-4.4.55.git

rcutorture: Fix rcu_torture_cbflood() memory leak

Commit 38706bc5a29a (rcutorture: Add callback-flood test) vmalloc()ed
a bunch of RCU callbacks, but failed to free them.  This commit fixes
that oversight.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Pranith Kumar <bobby.prani@gmail.com>
---

diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c
index 240fa9094f83..4d559baf06e0 100644
--- a/kernel/rcu/rcutorture.c
+++ b/kernel/rcu/rcutorture.c
@@ -812,6 +812,7 @@ rcu_torture_cbflood(void *arg)
 		cur_ops->cb_barrier();
 		stutter_wait("rcu_torture_cbflood");
 	} while (!torture_must_stop());
+	vfree(rhp);
 	torture_kthread_stopping("rcu_torture_cbflood");
 	return 0;
 }