video/sn9c102: improve error handling
Commit Message
Return an error if the controller is not found.
Signed-off-by: Dan Carpenter <error27@gmail.com>
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Comments
On Sun, Mar 28, 2010 at 05:09:48PM +0200, Christophe JAILLET wrote:
> Hi,
>
> this patch seems incomplete.
>
> You had an opening { wityhout the corresponding }.
It must be an issue with the mail server on your end. :/
Here is a url you can download it from.
http://lkml.org/lkml/2010/3/28/43
Unfortunately, lkml.org puts some white space on the end of diffs.
Patch complains but it still applies them fine.
regards,
dan carpenter
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@@ -2295,7 +2295,7 @@ sn9c102_vidioc_s_ctrl(struct sn9c102_device* cam, void __user * arg)
if (copy_from_user(&ctrl, arg, sizeof(ctrl)))
return -EFAULT;
- for (i = 0; i < ARRAY_SIZE(s->qctrl); i++)
+ for (i = 0; i < ARRAY_SIZE(s->qctrl); i++) {
if (ctrl.id == s->qctrl[i].id) {
if (s->qctrl[i].flags & V4L2_CTRL_FLAG_DISABLED)
return -EINVAL;
@@ -2305,7 +2305,9 @@ sn9c102_vidioc_s_ctrl(struct sn9c102_device* cam, void __user * arg)
ctrl.value -= ctrl.value % s->qctrl[i].step;
break;
}
-
+ }
+ if (i == ARRAY_SIZE(s->qctrl))
+ return -EINVAL;
if ((err = s->set_ctrl(cam, &ctrl)))
return err;