From: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Date: Wed, 29 Apr 2015 18:48:10 +0000 (-0300)
Subject: [media] tda10086: change typecast to u64 to avoid smatch warnings
X-Git-Tag: firefly_0821_release~176^2~795^2~932
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=b674ac290e47623aa8e6791aed2d7395f7ea313f;p=firefly-linux-kernel-4.4.55.git

[media] tda10086: change typecast to u64 to avoid smatch warnings

drivers/media/dvb-frontends/tda10086.c:476 tda10086_get_frontend() warn: should 'tda10086_read_byte(state, 81) << 8' be a 64 bit type?

Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
---

diff --git a/drivers/media/dvb-frontends/tda10086.c b/drivers/media/dvb-frontends/tda10086.c
index fcfe2e080cb0..f1a752187d08 100644
--- a/drivers/media/dvb-frontends/tda10086.c
+++ b/drivers/media/dvb-frontends/tda10086.c
@@ -472,8 +472,8 @@ static int tda10086_get_frontend(struct dvb_frontend *fe)
 		return -EINVAL;
 
 	/* calculate the updated frequency (note: we convert from Hz->kHz) */
-	tmp64 = tda10086_read_byte(state, 0x52);
-	tmp64 |= (tda10086_read_byte(state, 0x51) << 8);
+	tmp64 = ((u64)tda10086_read_byte(state, 0x52)
+		| (tda10086_read_byte(state, 0x51) << 8));
 	if (tmp64 & 0x8000)
 		tmp64 |= 0xffffffffffff0000ULL;
 	tmp64 = (tmp64 * (SACLK/1000ULL));