From: Manu Abraham <abraham.manu@gmail.com>
Date: Sat, 24 Feb 2007 12:14:39 +0000 (-0300)
Subject: V4L/DVB (9380): FIX: a possible division by zero
X-Git-Tag: v2.6.29-rc1~556^2~562
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=b797c206168992e8a2c080e80e39a56410cdaac0;p=karo-tx-linux.git

V4L/DVB (9380): FIX: a possible division by zero

Thanks to Marko Schluessler <marco@lordzodiac.de>

Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---

diff --git a/drivers/media/dvb/frontends/stb0899_algo.c b/drivers/media/dvb/frontends/stb0899_algo.c
index 0ae964975814..876931527c71 100644
--- a/drivers/media/dvb/frontends/stb0899_algo.c
+++ b/drivers/media/dvb/frontends/stb0899_algo.c
@@ -933,9 +933,9 @@ static void stb0899_dvbs2_set_btr_loopbw(struct stb0899_state *state)
 	sym_peak *= 576000;
 	K = (1 << config->btr_nco_bits) / (internal->master_clk / 1000);
 	K *= (internal->srate / 1000000) * decim; /*k=k 10^-8*/
-	K = sym_peak / K;
 
 	if (K != 0) {
+		K = sym_peak / K;
 		wn = (4 * zeta * zeta) + 1000000;
 		wn = (2 * (loopbw_percent * 1000) * 40 * zeta) /wn;  /*wn =wn 10^-8*/