The v4l2_ctrl_config struct must be zeroed before passing it to
v4l2_ctrl_new_custom(). This was always wrong, but with the recent
v4l2-ctrls.c changes this is now much more likely to lead to a
kernel bug.

This is the only place where this struct wasn't initialized properly.

Signed-off-by: Hans Verkuil <hans.verk...@cisco.com>
Reported-by: Pridvorov Andrey <ua0...@bk.ru>
---
 drivers/media/common/cx2341x.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/media/common/cx2341x.c b/drivers/media/common/cx2341x.c
index 103ef6b..be76315 100644
--- a/drivers/media/common/cx2341x.c
+++ b/drivers/media/common/cx2341x.c
@@ -1490,6 +1490,7 @@ static struct v4l2_ctrl *cx2341x_ctrl_new_custom(struct 
v4l2_ctrl_handler *hdl,
 {
        struct v4l2_ctrl_config cfg;
 
+       memset(&cfg, 0, sizeof(cfg));
        cx2341x_ctrl_fill(id, &cfg.name, &cfg.type, &min, &max, &step, &def, 
&cfg.flags);
        cfg.ops = &cx2341x_ops;
        cfg.id = id;
-- 
2.1.0

--
To unsubscribe from this list: send the line "unsubscribe linux-media" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to