From: Gustavo A. R. Silva <garsilva@embeddedor.com>
Date: Thu, 15 Jun 2017 20:42:44 +0000 (-0300)
Subject: [media] af9013: add check on af9013_wr_regs() return value
X-Git-Tag: v4.14-rc1~332^2~103
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=88c0530f65e622a96a431b63e3feb707303bc9fc;p=platform%2Fkernel%2Flinux-rpi.git

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

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 <garsilva@embeddedor.com>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
---

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 */