From 57729e354e389335c094defa1dc9978780438d74 Mon Sep 17 00:00:00 2001 From: Michael Krufky Date: Sun, 4 May 2008 15:37:27 -0400 Subject: tda18271: fix error handling in tda18271_channel_configuration From: Michael Krufky Signed-off-by: Michael Krufky --- linux/drivers/media/common/tuners/tda18271-fe.c | 21 ++++++++++++++------- 1 file changed, 14 insertions(+), 7 deletions(-) (limited to 'linux/drivers/media/common/tuners/tda18271-fe.c') diff --git a/linux/drivers/media/common/tuners/tda18271-fe.c b/linux/drivers/media/common/tuners/tda18271-fe.c index 41a7798e0..15e2deb3f 100644 --- a/linux/drivers/media/common/tuners/tda18271-fe.c +++ b/linux/drivers/media/common/tuners/tda18271-fe.c @@ -52,6 +52,7 @@ static int tda18271_channel_configuration(struct dvb_frontend *fe, { struct tda18271_priv *priv = fe->tuner_priv; unsigned char *regs = priv->tda18271_regs; + int ret; u32 N; /* update TV broadcast parameters */ @@ -86,7 +87,9 @@ static int tda18271_channel_configuration(struct dvb_frontend *fe, /* update rf top / if top */ regs[R_EB22] = 0x00; regs[R_EB22] |= map->rfagc_top; - tda18271_write_regs(fe, R_EB22, 1); + ret = tda18271_write_regs(fe, R_EB22, 1); + if (ret < 0) + goto fail; /* --------------------------------------------------------------- */ @@ -122,7 +125,9 @@ static int tda18271_channel_configuration(struct dvb_frontend *fe, /* agc1 has priority on agc2 */ regs[R_EB1] &= ~0x01; - tda18271_write_regs(fe, R_EB1, 1); + ret = tda18271_write_regs(fe, R_EB1, 1); + if (ret < 0) + goto fail; /* --------------------------------------------------------------- */ @@ -142,7 +147,9 @@ static int tda18271_channel_configuration(struct dvb_frontend *fe, break; } - tda18271_write_regs(fe, R_TM, 7); + ret = tda18271_write_regs(fe, R_TM, 7); + if (ret < 0) + goto fail; /* force charge pump source */ charge_pump_source(fe, 1); @@ -159,9 +166,9 @@ static int tda18271_channel_configuration(struct dvb_frontend *fe, regs[R_EP3] &= ~0x04; else regs[R_EP3] |= 0x04; - tda18271_write_regs(fe, R_EP3, 1); - - return 0; + ret = tda18271_write_regs(fe, R_EP3, 1); +fail: + return ret; } static int tda18271_read_thermometer(struct dvb_frontend *fe) @@ -814,7 +821,7 @@ static int tda18271_tune(struct dvb_frontend *fe, tda18271c2_rf_tracking_filters_correction(fe, freq); break; } - tda18271_channel_configuration(fe, map, freq, bw); + ret = tda18271_channel_configuration(fe, map, freq, bw); mutex_unlock(&priv->lock); fail: -- cgit v1.2.3