From 20f4206379260e3ca02c8ee57bc3da9b0c7d09da Mon Sep 17 00:00:00 2001 From: Michael Krufky Date: Sun, 4 May 2008 19:57:06 -0300 Subject: [PATCH] V4L/DVB (7842): tda18271: fix error handling in tda18271c2_rf_tracking_filters_correction Signed-off-by: Michael Krufky Signed-off-by: Mauro Carvalho Chehab --- drivers/media/common/tuners/tda18271-fe.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/drivers/media/common/tuners/tda18271-fe.c b/drivers/media/common/tuners/tda18271-fe.c index 2c1bb38..8b44d4c 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) -- 2.7.4