[PATCH] media: mt312: fix a missing check of mt312 reset

[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 <k...@umn.edu>
---
 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;
 }
-- 
2.17.2 (Apple Git-113)