[media] max2165: trival fix for some -Wuninitialized warning

Fix for some -Wuninitialized compiler warnings.

Signed-off-by: Danny Kukawka <danny.kukawka@bisect.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/common/tuners/max2165.c b/drivers/media/common/tuners/max2165.c
index cb2c98f..ba84936 100644
--- a/drivers/media/common/tuners/max2165.c
+++ b/drivers/media/common/tuners/max2165.c
@@ -168,7 +168,7 @@
 	int i;
 
 	if (0 == divisor)
-		return -1;
+		return -EINVAL;
 
 	q = dividend / divisor;
 	remainder = dividend - q * divisor;
@@ -194,10 +194,13 @@
 	u8 tf_ntch;
 	u32 t;
 	u32 quotient, fraction;
+	int ret;
 
 	/* Set PLL divider according to RF frequency */
-	fixpt_div32(freq / 1000, priv->config->osc_clk * 1000,
-		&quotient, &fraction);
+	ret = fixpt_div32(freq / 1000, priv->config->osc_clk * 1000,
+			 &quotient, &fraction);
+	if (ret != 0)
+		return ret;
 
 	/* 20-bit fraction */
 	fraction >>= 12;