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Date: Wed, 27 Mar 2019 20:42:32 +0530 From: Mukesh Ojha <mojha@...eaurora.org> To: Kangjie Lu <kjlu@....edu> Cc: pakki001@....edu, Olli Salonen <olli.salonen@....fi>, Mauro Carvalho Chehab <mchehab@...nel.org>, linux-media@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH] media: tuners: fix a missing check for regmap_write_bits On 3/25/2019 4:51 AM, Kangjie Lu wrote: > regmap_write_bits could fail and thus deserves a check. > > The fix returns its error code upstream in case it fails. > > Signed-off-by: Kangjie Lu <kjlu@....edu> Reviewed-by: Mukesh Ojha <mojha@...eaurora.org> -Mukesh > --- > drivers/media/tuners/tda18250.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/drivers/media/tuners/tda18250.c b/drivers/media/tuners/tda18250.c > index 20d10ef45ab6..36ede1b02d23 100644 > --- a/drivers/media/tuners/tda18250.c > +++ b/drivers/media/tuners/tda18250.c > @@ -703,6 +703,8 @@ static int tda18250_set_params(struct dvb_frontend *fe) > > /* charge pump */ > ret = regmap_write_bits(dev->regmap, R46_CPUMP, 0x07, buf[2]); > + if (ret) > + goto err; > > return 0; > err:
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