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>

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 2c1bb380112d..8b44d4c62bfe 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)