1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/media/dvb-frontends/si2165.c b/drivers/media/dvb-frontends/si2165.c
index 8bf716a8ea58..849c3c421262 100644
--- a/drivers/media/dvb-frontends/si2165.c
+++ b/drivers/media/dvb-frontends/si2165.c
@@ -751,6 +751,9 @@ static int si2165_set_oversamp(struct si2165_state *state, u32 dvb_rate)
         u64 oversamp;
         u32 reg_value;
 
+        if (!dvb_rate)
+                return -EINVAL;
+
         oversamp = si2165_get_fe_clk(state);
         oversamp <<= 23;
         do_div(oversamp, dvb_rate);
@@ -775,6 +778,9 @@ static int si2165_set_if_freq_shift(struct si2165_state *state)
                 return -EINVAL;
         }
 
+        if (!fe_clk)
+                return -EINVAL;
+
         fe->ops.tuner_ops.get_if_frequency(fe, &IF);
         if_freq_shift = IF;
         if_freq_shift <<= 29;