V4L/DVB (13547): radio: add trivial checks on the tuner and type args.
Many radio drivers did not check the tuner and type field correctly
for g/s_frequency. These checks have now been added.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/radio/radio-rtrack2.c b/drivers/media/radio/radio-rtrack2.c
index 9cb193f..a79296a 100644
--- a/drivers/media/radio/radio-rtrack2.c
+++ b/drivers/media/radio/radio-rtrack2.c
@@ -167,6 +167,8 @@
{
struct rtrack2 *rt = video_drvdata(file);
+ if (f->tuner != 0 || f->type != V4L2_TUNER_RADIO)
+ return -EINVAL;
rt_setfreq(rt, f->frequency);
return 0;
}
@@ -176,6 +178,8 @@
{
struct rtrack2 *rt = video_drvdata(file);
+ if (f->tuner != 0)
+ return -EINVAL;
f->type = V4L2_TUNER_RADIO;
f->frequency = rt->curfreq;
return 0;
