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Subject: [media] v4l2-ctrls: only check def for menu, integer and boolean 
controls
Author:  Hans Verkuil <hverk...@xs4all.nl>
Date:    Wed Dec 29 14:27:05 2010 -0300

The 'def' field is only valid for menus, integers and booleans.

Signed-off-by: Hans Verkuil <hverk...@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mche...@redhat.com>

 drivers/media/video/v4l2-ctrls.c |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)

---

http://git.linuxtv.org/media_tree.git?a=commitdiff;h=fb72d3ed7cef79d8410d48afbaca15a28fa72f54

diff --git a/drivers/media/video/v4l2-ctrls.c b/drivers/media/video/v4l2-ctrls.c
index 6c0fadc..8f81efc 100644
--- a/drivers/media/video/v4l2-ctrls.c
+++ b/drivers/media/video/v4l2-ctrls.c
@@ -962,13 +962,20 @@ static struct v4l2_ctrl *v4l2_ctrl_new(struct 
v4l2_ctrl_handler *hdl,
 
        /* Sanity checks */
        if (id == 0 || name == NULL || id >= V4L2_CID_PRIVATE_BASE ||
-           def < min || def > max || max < min ||
+           max < min ||
            (type == V4L2_CTRL_TYPE_INTEGER && step == 0) ||
            (type == V4L2_CTRL_TYPE_MENU && qmenu == NULL) ||
            (type == V4L2_CTRL_TYPE_STRING && max == 0)) {
                handler_set_err(hdl, -ERANGE);
                return NULL;
        }
+       if ((type == V4L2_CTRL_TYPE_INTEGER ||
+            type == V4L2_CTRL_TYPE_MENU ||
+            type == V4L2_CTRL_TYPE_BOOLEAN) &&
+           (def < min || def > max)) {
+               handler_set_err(hdl, -ERANGE);
+               return NULL;
+       }
 
        if (type == V4L2_CTRL_TYPE_BUTTON)
                flags |= V4L2_CTRL_FLAG_WRITE_ONLY;

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