drbd83: Backport flush_signals() before kthread_run() fix

See http://elrepo.org/bugs/view.php?id=533

Committed-by: Madison Kelly <mkelly@alteeve.ca>
Signed-off-by: Philip J Perry <phil@elrepo.org>

drbd83-kmod/el6/drbd83-8.3.16-flush_signals.patch

@@ -0,0 +1,11 @@
+diff -Naurp a/drbd/drbd_nl.c b/drbd/drbd_nl.c
+--- a/drbd/drbd_nl.c	2013-08-14 13:55:40.000000000 +0100
++++ b/drbd/drbd_nl.c	2014-11-24 19:28:43.000000000 +0000
+@@ -303,6 +303,7 @@ void drbd_try_outdate_peer_async(struct 
+ {
+ 	struct task_struct *opa;
+
++	flush_signals(current);
+ 	opa = kthread_run(_try_outdate_peer_async, mdev, "drbd%d_a_helper", mdev_to_minor(mdev));
+ 	if (IS_ERR(opa))
+ 		dev_err(DEV, "out of mem, failed to invoke fence-peer helper\n");

drbd83-kmod/el6/drbd83-kmod.spec

@@ -12,7 +12,7 @@
 Summary: Distributed Redundant Block Device driver for Linux
 Name: %{kmod_name}-kmod
 Version: 8.3.16
-Release: 2%{?dist}
+Release: 3%{?dist}
 License: GPL
 Group: System Environment/Kernel
 URL: http://wwww.drbd.org/
@@ -21,6 +21,9 @@ URL: http://wwww.drbd.org/
 Source0: http://oss.linbit.com/drbd/8.3/drbd-%{version}.tar.gz
 Source10: kmodtool-%{kmod_name}-el6.sh
 
+# Patches.
+Patch0: drbd83-8.3.16-flush_signals.patch
+
 ExclusiveArch: i686 x86_64
 BuildRequires: redhat-rpm-config
 
@@ -38,6 +41,7 @@ high availability (HA) clusters.
 
 %prep
 %setup -n %{real_name}-%{version}
+%patch0 -p1
 
 %configure \
     --with-km \
@@ -72,6 +76,10 @@ find %{buildroot} -type f -name \*.ko -exec %{__chmod} u+x \{\} \;
 %{__rm} -rf %{buildroot}
 
 %changelog
+* Sun Nov 23 2014 Madison Kelly <mkelly@alteeve.ca> - 8.3.16-3
+- Backport flush_signals() before kthread_run() fix
+  [http://elrepo.org/bugs/view.php?id=533]
+
 * Tue Oct 28 2014 Philip J Perry <phil@elrepo.org> - 8.3.16-2
 - Rebuilt for RHEL-6.6 kernel due to kABI breakage