media: drxj: remove redundant assignment to variable rc

The variable rc is being initialized with a value that is never
read and it is being updated later with a new value. The
initialization is redundant and can be removed.

Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

drivers/media/dvb-frontends/drx39xyj/drxj.c

@@ -4201,7 +4201,7 @@ int drxj_dap_scu_atomic_read_reg16(struct i2c_device_addr *dev_addr,
 					 u16 *data, u32 flags)
 {
 	u8 buf[2] = { 0 };
-	int rc = -EIO;
+	int rc;
 	u16 word = 0;
 
 	if (!data)