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media: v4l2: fix uninitialized value tuner_status(CWE-457) 

Declaring variable "tuner_status" without initializer.
Using uninitialized value "tuner_status" when calling
"*fe_tuner_ops->get_status".
(The function pointer resolves to "cx24113_get_status".)

Signed-off-by: Yan Lei <yan_lei@dahuatech.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
This commit is contained in:
Yan Lei 2022-04-10 02:58:54 +01:00 committed by Mauro Carvalho Chehab
parent 03b49ec871
commit f83bd49cbc
1 changed files with 2 additions and 2 deletions
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4
drivers/media/v4l2-core/tuner-core.c
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@ -1118,7 +1118,7 @@ static void tuner_status(struct dvb_frontend *fe)
if (t->mode != V4L2_TUNER_RADIO) if (t->mode != V4L2_TUNER_RADIO)
return; return;
if (fe_tuner_ops->get_status) { if (fe_tuner_ops->get_status) {
u32 tuner_status; u32 tuner_status = 0;
fe_tuner_ops->get_status(&t->fe, &tuner_status); fe_tuner_ops->get_status(&t->fe, &tuner_status);
if (tuner_status & TUNER_STATUS_LOCKED) if (tuner_status & TUNER_STATUS_LOCKED)
@ -1258,7 +1258,7 @@ static int tuner_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
if (vt->type == t->mode) { if (vt->type == t->mode) {
vt->rxsubchans = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO; vt->rxsubchans = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO;
if (fe_tuner_ops->get_status) { if (fe_tuner_ops->get_status) {
u32 tuner_status; u32 tuner_status = 0;
fe_tuner_ops->get_status(&t->fe, &tuner_status); fe_tuner_ops->get_status(&t->fe, &tuner_status);
vt->rxsubchans = vt->rxsubchans =