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Subject[PATCH] media: drxk: add a missed check of the return value of write16
Date
write16() could fail. The fix inserts a check for its return value
in case it fails.

Signed-off-by: Kangjie Lu <kjlu@umn.edu>
---
drivers/media/dvb-frontends/drxk_hard.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/media/dvb-frontends/drxk_hard.c b/drivers/media/dvb-frontends/drxk_hard.c
index 84ac3f73f8fe..b7579ffae690 100644
--- a/drivers/media/dvb-frontends/drxk_hard.c
+++ b/drivers/media/dvb-frontends/drxk_hard.c
@@ -6610,7 +6610,9 @@ static int drxk_get_stats(struct dvb_frontend *fe)
if (status < 0)
goto error;
pkt_error_count = reg16;
- write16(state, SCU_RAM_FEC_ACCUM_PKT_FAILURES__A, 0);
+ status = write16(state, SCU_RAM_FEC_ACCUM_PKT_FAILURES__A, 0);
+ if (status < 0)
+ goto error;

post_bit_err_count *= post_bit_error_scale;

--
2.17.2 (Apple Git-113)
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