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authorMichael Krufky <mkrufky@linuxtv.org>2008-05-04 19:57:06 -0300
committerMauro Carvalho Chehab <mchehab@infradead.org>2008-05-14 02:54:05 -0300
commit20f4206379260e3ca02c8ee57bc3da9b0c7d09da (patch)
tree6dddf12d0c9d7f820eec81172de39f707a81603c /drivers/media/common
parent31940e3966b6cf3bb3e535ffa1cb97b16edd555b (diff)
V4L/DVB (7842): tda18271: fix error handling in tda18271c2_rf_tracking_filters_correction
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/common')
-rw-r--r--drivers/media/common/tuners/tda18271-fe.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/media/common/tuners/tda18271-fe.c b/drivers/media/common/tuners/tda18271-fe.c
index 2c1bb380112..8b44d4c62bf 100644
--- a/drivers/media/common/tuners/tda18271-fe.c
+++ b/drivers/media/common/tuners/tda18271-fe.c
@@ -220,11 +220,13 @@ static int tda18271c2_rf_tracking_filters_correction(struct dvb_frontend *fe,
struct tda18271_priv *priv = fe->tuner_priv;
struct tda18271_rf_tracking_filter_cal *map = priv->rf_cal_state;
unsigned char *regs = priv->tda18271_regs;
- int tm_current, rfcal_comp, approx, i;
+ int tm_current, rfcal_comp, approx, i, ret;
u8 dc_over_dt, rf_tab;
/* power up */
- tda18271_set_standby_mode(fe, 0, 0, 0);
+ ret = tda18271_set_standby_mode(fe, 0, 0, 0);
+ if (ret < 0)
+ goto fail;
/* read die current temperature */
tm_current = tda18271_read_thermometer(fe);
@@ -257,9 +259,9 @@ static int tda18271c2_rf_tracking_filters_correction(struct dvb_frontend *fe,
rfcal_comp = dc_over_dt * (tm_current - priv->tm_rfcal);
regs[R_EB14] = approx + rfcal_comp;
- tda18271_write_regs(fe, R_EB14, 1);
-
- return 0;
+ ret = tda18271_write_regs(fe, R_EB14, 1);
+fail:
+ return ret;
}
static int tda18271_por(struct dvb_frontend *fe)