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authorAndreas Regel <andreas.regel@gmx.de>2010-01-05 23:21:02 +0100
committerMauro Carvalho Chehab <mchehab@redhat.com>2010-02-26 19:10:36 +0100
commit729cbafaca5e24b4fa0b42e7b0f79cb53f2ebad5 (patch)
treef8512de23cdcb84633517776e80fb8d625c6bbae /drivers/media/dvb
parentV4L/DVB (13976): [STV090x] Added mutex protection around tuner I2C access. (diff)
downloadlinux-729cbafaca5e24b4fa0b42e7b0f79cb53f2ebad5.tar.xz
linux-729cbafaca5e24b4fa0b42e7b0f79cb53f2ebad5.zip
V4L/DVB (13977): [STV090x] Test for valid frequency before starting to tune
Signed-off-by: Andreas Regel <andreas.regel@gmx.de> Signed-off-by: Manu Abraham <manu@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/dvb')
-rw-r--r--drivers/media/dvb/frontends/stv090x.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/media/dvb/frontends/stv090x.c b/drivers/media/dvb/frontends/stv090x.c
index e903334a8323..3bdbce21de9e 100644
--- a/drivers/media/dvb/frontends/stv090x.c
+++ b/drivers/media/dvb/frontends/stv090x.c
@@ -3393,6 +3393,9 @@ static enum dvbfe_search stv090x_search(struct dvb_frontend *fe, struct dvb_fron
struct stv090x_state *state = fe->demodulator_priv;
struct dtv_frontend_properties *props = &fe->dtv_property_cache;
+ if (p->frequency == 0)
+ return DVBFE_ALGO_SEARCH_INVALID;
+
state->delsys = props->delivery_system;
state->frequency = p->frequency;
state->srate = p->u.qpsk.symbol_rate;