[media] drx-j: don't use mc_info before checking if its not NULL
smatch warning:
drivers/media/dvb-frontends/drx39xyj/drxj.c:20803 drx_ctrl_u_code() warn: variable dereferenced before check 'mc_info' (see line 20800)
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
diff --git a/drivers/media/dvb-frontends/drx39xyj/drxj.c b/drivers/media/dvb-frontends/drx39xyj/drxj.c
index 1e6dab7..a8fd53b 100644
--- a/drivers/media/dvb-frontends/drx39xyj/drxj.c
+++ b/drivers/media/dvb-frontends/drx39xyj/drxj.c
@@ -20208,12 +20208,14 @@
const u8 *mc_data_init = NULL;
u8 *mc_data = NULL;
unsigned size;
- char *mc_file = mc_info->mc_file;
+ char *mc_file;
/* Check arguments */
- if (!mc_info || !mc_file)
+ if (!mc_info || !mc_info->mc_file)
return -EINVAL;
+ mc_file = mc_info->mc_file;
+
if (!demod->firmware) {
const struct firmware *fw = NULL;