[media] media: fix em28xx build, needs hardirq.h

Fix em28xx build by adding hardirq.h header file:

drivers/media/video/em28xx/em28xx-vbi.c:49: error: implicit declaration of function 'in_interrupt'

Reported-by: Zimny Lech <napohybelskurwysynom2010@gmail.com>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/drivers/media/video/em28xx/em28xx-vbi.c b/drivers/media/video/em28xx/em28xx-vbi.c
index 7f1c4a2173b68fb4bb6450129c383f8f30fa99d7..2b4c9cba2d67312bb8561c3410cdb8cc59b5debc 100644 (file)
--- a/drivers/media/video/em28xx/em28xx-vbi.c
+++ b/drivers/media/video/em28xx/em28xx-vbi.c
@@ -23,6 +23,7 @@
 
 #include <linux/kernel.h>
 #include <linux/module.h>
+#include <linux/hardirq.h>
 #include <linux/init.h>
 
 #include "em28xx.h"