V4L/DVB (9438): Bug! RTF is signed

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

1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/media/dvb/frontends/stb0899_algo.c b/drivers/media/dvb/frontends/stb0899_algo.c
index 1363ae396f9e..2256fc70c85a 100644
--- a/drivers/media/dvb/frontends/stb0899_algo.c
+++ b/drivers/media/dvb/frontends/stb0899_algo.c
@@ -194,8 +194,9 @@ static void stb0899_first_subrange(struct stb0899_state *state)
 static enum stb0899_status stb0899_check_tmg(struct stb0899_state *state)
 {
         struct stb0899_internal *internal = &state->internal;
-        int lock, timing;
+        int lock;
         u8 reg;
+        s8 timing;
 
         msleep(internal->t_timing);
 
@@ -207,7 +208,7 @@ static enum stb0899_status stb0899_check_tmg(struct stb0899_state *state)
         timing = stb0899_read_reg(state, STB0899_RTF);
 
         if (lock >= 42) {
-                if ((lock > 48) && (timing >= 110)) {
+                if ((lock > 48) && (ABS(timing) >= 110)) {
                         internal->status = ANALOGCARRIER;
                         dprintk(state->verbose, FE_DEBUG, 1, "-->ANALOG Carrier !");
                 } else {