Messages in this thread | | | Subject | Re: [PATCH] media: mt312: fix a missing check of mt312 reset | From | Matthias Schwarzott <> | Date | Mon, 24 Dec 2018 12:23:28 +0100 |
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Am 21.12.18 um 08:07 schrieb Kangjie Lu: > mt312_reset() may fail. Although it is called in the end of > mt312_set_frontend(), we better check its status and return its error > code upstream instead of 0. > > Signed-off-by: Kangjie Lu <kjlu@umn.edu>
Thanks for submitting this patch. It looks correct.
Reviewed-by: Matthias Schwarzott <zzam@gentoo.org>
> --- > drivers/media/dvb-frontends/mt312.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/drivers/media/dvb-frontends/mt312.c b/drivers/media/dvb-frontends/mt312.c > index 03e74a729168..bfbb879469f2 100644 > --- a/drivers/media/dvb-frontends/mt312.c > +++ b/drivers/media/dvb-frontends/mt312.c > @@ -645,7 +645,9 @@ static int mt312_set_frontend(struct dvb_frontend *fe) > if (ret < 0) > return ret; > > - mt312_reset(state, 0); > + ret = mt312_reset(state, 0); > + if (ret < 0) > + return ret; > > return 0; > } >
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