[media] stv0367: signedness bug in stv0367_get_tuner_freq()

We use err to store negative error codes so it should be signed.  And
if we return an error from stv0367_get_tuner_freq() that needs to be
handled properly as well.  (param->frequency is a u32).

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/drivers/media/dvb/frontends/stv0367.c b/drivers/media/dvb/frontends/stv0367.c
index 120fed8229a8d6d69733b156d44f59e56a740dc7..0ddcf7e767047cce7b930bc6e9c2b50a37ded697 100644 (file)
--- a/drivers/media/dvb/frontends/stv0367.c
+++ b/drivers/media/dvb/frontends/stv0367.c
@@ -913,7 +913,7 @@ static u32 stv0367_get_tuner_freq(struct dvb_frontend *fe)
        struct dvb_frontend_ops *frontend_ops = NULL;
        struct dvb_tuner_ops    *tuner_ops = NULL;
        u32 freq = 0;
-       u32 err = 0;
+       int err = 0;
 
        dprintk("%s:\n", __func__);
 
@@ -1940,7 +1940,7 @@ static int stv0367ter_get_frontend(struct dvb_frontend *fe,
        int constell = 0,/* snr = 0,*/ Data = 0;
 
        param->frequency = stv0367_get_tuner_freq(fe);
-       if (param->frequency < 0)
+       if ((int)param->frequency < 0)
                param->frequency = c->frequency;
 
        constell = stv0367_readbits(state, F367TER_TPS_CONST);