From: Andreas Oberritter <obi@linuxtv.org>
Date: Wed, 24 Aug 2011 17:33:52 +0000 (-0300)
Subject: [media] DVB: dvb_frontend: check function pointers on reinitialize
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=42f4e774a30d0e9894741b62af4174c73ecc53da;p=deliverable%2Flinux.git

[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>
---

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;
 		}