From: Antti Palosaari <crope@iki.fi>
Date: Sat, 9 Aug 2014 15:35:00 +0000 (-0300)
Subject: [media] it913x: avoid division by zero on error case
X-Git-Tag: firefly_0821_release~176^2~2474^2~600
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=66f6319936344279466bd09f9788e888e03c99a0;p=firefly-linux-kernel-4.4.55.git

[media] it913x: avoid division by zero on error case

Error on init leaves some internal divisor zero, which causes oops
later. Fix it by populating divisors even it fails.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
---

diff --git a/drivers/media/tuners/tuner_it913x.c b/drivers/media/tuners/tuner_it913x.c
index 3265d9ab3c67..cd20c5b0f07e 100644
--- a/drivers/media/tuners/tuner_it913x.c
+++ b/drivers/media/tuners/tuner_it913x.c
@@ -154,6 +154,9 @@ static int it913x_init(struct dvb_frontend *fe)
 		val = 16;
 		break;
 	case -ENODEV:
+		/* FIXME: these are just avoid divide by 0 */
+		state->tun_xtal = 2000;
+		state->tun_fdiv = 3;
 		return -ENODEV;
 	case 1:
 	default: