From: Rafael J. Wysocki <rjw@sisk.pl>
Date: Thu, 4 Feb 2010 22:00:41 +0000 (-0800)
Subject: pktgen: Fix freezing problem
X-Git-Tag: firefly_0821_release~11625^2~23
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=6d14e6b46af551e2551594ab5ab9356fb4cebbe7;p=firefly-linux-kernel-4.4.55.git

pktgen: Fix freezing problem

commit 1b3f720bf033fde1fbb6231f9b156b918c5f68d8 upstream.

Add missing try_to_freeze() to one of the pktgen_thread_worker() code
paths so that it doesn't block suspend/hibernation.

Fixes http://bugzilla.kernel.org/show_bug.cgi?id=15006

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Reported-and-tested-by: Ciprian Dorin Craciun <ciprian.craciun@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index 6e79e96cb4f2..6a993b17ae3f 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -3516,6 +3516,7 @@ static int pktgen_thread_worker(void *arg)
 			wait_event_interruptible_timeout(t->queue,
 							 t->control != 0,
 							 HZ/10);
+			try_to_freeze();
 			continue;
 		}