[PATCH] af9013: add check on af9013_wr_regs() return value

[Gustavo A. R. Silva]

Check return value from call to af9013_wr_regs(), so in case of
error print debug message and return.

Addresses-Coverity-ID: 1227035
Signed-off-by: Gustavo A. R. Silva <garsi...@embeddedor.com>
---
 drivers/media/dvb-frontends/af9013.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/media/dvb-frontends/af9013.c 
b/drivers/media/dvb-frontends/af9013.c
index 51f942f..dc7ccda 100644
--- a/drivers/media/dvb-frontends/af9013.c
+++ b/drivers/media/dvb-frontends/af9013.c
@@ -608,6 +608,8 @@ static int af9013_set_frontend(struct dvb_frontend *fe)
 
                ret = af9013_wr_regs(state, 0xae00, coeff_lut[i].val,
                        sizeof(coeff_lut[i].val));
+               if (ret)
+                       goto err;
        }
 
        /* program frequency control */
-- 
2.5.0