diff options
| author | Dan Carpenter <error27@gmail.com> | 2010-03-28 08:50:05 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2010-05-19 12:57:27 -0300 |
| commit | 124371e33ce733a81fde8419946adb0d6c14f4c0 (patch) | |
| tree | bf3d75b8e856057db1e3ce65025d7a13c97d0e83 /drivers/media | |
| parent | 67e13e7709736b3b25dda98f92cc7164b210dda6 (diff) | |
V4L/DVB: video/sn9c102: improve error handling
Return an error if the controller is not found.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/video/sn9c102/sn9c102_core.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/media/video/sn9c102/sn9c102_core.c b/drivers/media/video/sn9c102/sn9c102_core.c index cbf8087b286..28e19daadec 100644 --- a/drivers/media/video/sn9c102/sn9c102_core.c +++ b/drivers/media/video/sn9c102/sn9c102_core.c @@ -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; |