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[21/27] tda10086: change typecast to u64 to avoid smatch warnings

Message ID 1acf7361dc975eea2f0fb7f620a7964ee1a8219d.1430348725.git.mchehab@osg.samsung.com (mailing list archive)
State New, archived
Headers show

Commit Message

Mauro Carvalho Chehab April 29, 2015, 11:06 p.m. UTC 
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 mbox

Patch

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));