[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>
diff --git a/include/media/v4l2-ioctl.h b/include/media/v4l2-ioctl.h
index b273f0e..6b917d6 100644
--- a/include/media/v4l2-ioctl.h
+++ b/include/media/v4l2-ioctl.h
@@ -243,12 +243,12 @@
 					struct v4l2_dbg_register *reg);
 	int (*vidioc_s_register)       (struct file *file, void *fh,
 					const struct v4l2_dbg_register *reg);
-#endif
-	int (*vidioc_g_chip_ident)     (struct file *file, void *fh,
-					struct v4l2_dbg_chip_ident *chip);
 
 	int (*vidioc_g_chip_name)      (struct file *file, void *fh,
 					struct v4l2_dbg_chip_name *chip);
+#endif
+	int (*vidioc_g_chip_ident)     (struct file *file, void *fh,
+					struct v4l2_dbg_chip_ident *chip);
 
 	int (*vidioc_enum_framesizes)   (struct file *file, void *fh,
 					 struct v4l2_frmsizeenum *fsize);