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 6e79e96cb4f29984b019ab0ea74820d0f1de114b..6a993b17ae3fe4cadde190ec24359601d2fafac0 100644 (file)
--- 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;
                }