backports: include hardirq into netdevice.h

On newer kernels this is included (indirectly) and
unfortunately some drivers rely on it.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>

diff --git a/backport/backport-include/linux/netdevice.h b/backport/backport-include/linux/netdevice.h
index 74230d9ee1d87f724799e80633ce2a701882cc38..11e205839c3f0632817a97772a0db35a5e0d7b05 100644 (file)
--- a/backport/backport-include/linux/netdevice.h
+++ b/backport/backport-include/linux/netdevice.h
@@ -7,6 +7,11 @@
 /* older kernels don't include this here, we need it */
 #include <linux/ethtool.h>
 #include <linux/rculist.h>
+/*
+ * new kernels include <net/netprio_cgroup.h> which
+ * has this ... and some drivers rely on it :-(
+ */
+#include <linux/hardirq.h>
 
 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,32)
 #define dev_change_net_namespace(a, b, c) (-EOPNOTSUPP)