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authorHans Verkuil <hans.verkuil@cisco.com>2013-03-27 08:04:23 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2013-04-14 19:45:23 -0300
commitcd634f1bfc182e564f33809fdca33027bb99fceb (patch)
treee81c3b626866a64b8152576cb500ee2fc2fe40a0 /drivers/media/usb
parentdfc2e12df02d49a1567bc90989ceef870cf5b147 (diff)
[media] v4l2: put VIDIOC_DBG_G_CHIP_NAME under ADV_DEBUG
Only enable this ioctl if the VIDEO_ADV_DEBUG config option is set. This prevents abuse from both userspace and kernelspace (some bridge drivers abuse DBG_G_CHIP_IDENT, lets prevent that from happening again with this ioctl). Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/usb')
-rw-r--r--drivers/media/usb/em28xx/em28xx-video.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/media/usb/em28xx/em28xx-video.c b/drivers/media/usb/em28xx/em28xx-video.c
index 792ead1025d7..39951f5731e1 100644
--- a/drivers/media/usb/em28xx/em28xx-video.c
+++ b/drivers/media/usb/em28xx/em28xx-video.c
@@ -1331,6 +1331,7 @@ static int vidioc_g_chip_ident(struct file *file, void *priv,
return 0;
}
+#ifdef CONFIG_VIDEO_ADV_DEBUG
static int vidioc_g_chip_name(struct file *file, void *priv,
struct v4l2_dbg_chip_name *chip)
{
@@ -1346,7 +1347,6 @@ static int vidioc_g_chip_name(struct file *file, void *priv,
return 0;
}
-#ifdef CONFIG_VIDEO_ADV_DEBUG
static int em28xx_reg_len(int reg)
{
switch (reg) {
@@ -1796,8 +1796,8 @@ static const struct v4l2_ioctl_ops video_ioctl_ops = {
.vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
.vidioc_unsubscribe_event = v4l2_event_unsubscribe,
.vidioc_g_chip_ident = vidioc_g_chip_ident,
- .vidioc_g_chip_name = vidioc_g_chip_name,
#ifdef CONFIG_VIDEO_ADV_DEBUG
+ .vidioc_g_chip_name = vidioc_g_chip_name,
.vidioc_g_register = vidioc_g_register,
.vidioc_s_register = vidioc_s_register,
#endif