From 42f4e774a30d0e9894741b62af4174c73ecc53da Mon Sep 17 00:00:00 2001
From: Andreas Oberritter <obi@linuxtv.org>
Date: Wed, 24 Aug 2011 14:33:52 -0300
Subject: [PATCH] [media] DVB: dvb_frontend: check function pointers on
reinitialize
Signed-off-by: Andreas Oberritter <obi@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
drivers/media/dvb/dvb-core/dvb_frontend.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c
index a716627ab32f..4b05931a098f 100644
--- a/drivers/media/dvb/dvb-core/dvb_frontend.c
+++ b/drivers/media/dvb/dvb-core/dvb_frontend.c
@@ -577,12 +577,10 @@ restart:
if (fepriv->reinitialise) {
dvb_frontend_init(fe);
- if (fepriv->tone != -1) {
+ if (fe->ops.set_tone && fepriv->tone != -1)
fe->ops.set_tone(fe, fepriv->tone);
- }
- if (fepriv->voltage != -1) {
+ if (fe->ops.set_voltage && fepriv->voltage != -1)
fe->ops.set_voltage(fe, fepriv->voltage);
- }
fepriv->reinitialise = 0;
}
--
2.34.1