media: ivtv: zero-initialize cx25840 platform data

We need to zero-initialize cx25840 platform data structure to make sure
that its future members do not contain random stack garbage.

Signed-off-by: Maciej S. Szmigiero <mail@maciej.szmigiero.name>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

diff --git a/drivers/media/pci/ivtv/ivtv-i2c.c b/drivers/media/pci/ivtv/ivtv-i2c.c
index 522cd111e3998b83d3814b837361be15d2e1c213..e9ce54dd5e011808690bed7aa1a669eee935e9a3 100644 (file)
--- a/drivers/media/pci/ivtv/ivtv-i2c.c
+++ b/drivers/media/pci/ivtv/ivtv-i2c.c
@@ -293,6 +293,7 @@ int ivtv_i2c_register(struct ivtv *itv, unsigned idx)
                        .platform_data = &pdata,
                };
 
+               memset(&pdata, 0, sizeof(pdata));
                pdata.pvr150_workaround = itv->pvr150_workaround;
                sd = v4l2_i2c_new_subdev_board(&itv->v4l2_dev, adap,
                                &cx25840_info, NULL);