write16() could fail. The fix inserts a check for its return value in case it fails. Signed-off-by: Kangjie Lu <kjlu@xxxxxxx> --- 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)