diff options
Diffstat (limited to 'drivers/usb/media/sn9c102_core.c')
| -rw-r--r-- | drivers/usb/media/sn9c102_core.c | 24 |
1 files changed, 10 insertions, 14 deletions
diff --git a/drivers/usb/media/sn9c102_core.c b/drivers/usb/media/sn9c102_core.c index b2e66e3b90aa..8d1a1c357d5a 100644 --- a/drivers/usb/media/sn9c102_core.c +++ b/drivers/usb/media/sn9c102_core.c @@ -1316,7 +1316,7 @@ static int sn9c102_init(struct sn9c102_device* cam) struct v4l2_control ctrl; struct v4l2_queryctrl *qctrl; struct v4l2_rect* rect; - u8 i = 0, n = 0; + u8 i = 0; int err = 0; if (!(cam->state & DEV_INITIALIZED)) { @@ -1352,7 +1352,7 @@ static int sn9c102_init(struct sn9c102_device* cam) return err; if (s->pix_format.pixelformat == V4L2_PIX_FMT_SN9C10X) - DBG(3, "Compressed video format is active, quality %d", + DBG(3, "Compressed video format is active, quality %d", cam->compression.quality) else DBG(3, "Uncompressed video format is active") @@ -1364,9 +1364,8 @@ static int sn9c102_init(struct sn9c102_device* cam) } if (s->set_ctrl) { - n = sizeof(s->qctrl) / sizeof(s->qctrl[0]); - for (i = 0; i < n; i++) - if (s->qctrl[i].id != 0 && + for (i = 0; i < ARRAY_SIZE(s->qctrl); i++) + if (s->qctrl[i].id != 0 && !(s->qctrl[i].flags & V4L2_CTRL_FLAG_DISABLED)) { ctrl.id = s->qctrl[i].id; ctrl.value = qctrl[i].default_value; @@ -1388,7 +1387,7 @@ static int sn9c102_init(struct sn9c102_device* cam) init_waitqueue_head(&cam->wait_stream); cam->nreadbuffers = 2; memcpy(s->_qctrl, s->qctrl, sizeof(s->qctrl)); - memcpy(&(s->_rect), &(s->cropcap.defrect), + memcpy(&(s->_rect), &(s->cropcap.defrect), sizeof(struct v4l2_rect)); cam->state |= DEV_INITIALIZED; } @@ -1810,13 +1809,12 @@ static int sn9c102_ioctl_v4l2(struct inode* inode, struct file* filp, { struct sn9c102_sensor* s = cam->sensor; struct v4l2_queryctrl qc; - u8 i, n; + u8 i; if (copy_from_user(&qc, arg, sizeof(qc))) return -EFAULT; - n = sizeof(s->qctrl) / sizeof(s->qctrl[0]); - for (i = 0; i < n; i++) + for (i = 0; i < ARRAY_SIZE(s->qctrl); i++) if (qc.id && qc.id == s->qctrl[i].id) { memcpy(&qc, &(s->qctrl[i]), sizeof(qc)); if (copy_to_user(arg, &qc, sizeof(qc))) @@ -1852,7 +1850,7 @@ static int sn9c102_ioctl_v4l2(struct inode* inode, struct file* filp, { struct sn9c102_sensor* s = cam->sensor; struct v4l2_control ctrl; - u8 i, n; + u8 i; int err = 0; if (!s->set_ctrl) @@ -1861,8 +1859,7 @@ static int sn9c102_ioctl_v4l2(struct inode* inode, struct file* filp, if (copy_from_user(&ctrl, arg, sizeof(ctrl))) return -EFAULT; - n = sizeof(s->qctrl) / sizeof(s->qctrl[0]); - for (i = 0; i < n; i++) + for (i = 0; i < ARRAY_SIZE(s->qctrl); i++) if (ctrl.id == s->qctrl[i].id) { if (ctrl.value < s->qctrl[i].minimum || ctrl.value > s->qctrl[i].maximum) @@ -2544,7 +2541,7 @@ sn9c102_usb_probe(struct usb_interface* intf, const struct usb_device_id* id) unsigned int i, n; int err = 0, r; - n = sizeof(sn9c102_id_table)/sizeof(sn9c102_id_table[0]); + n = ARRAY_SIZE(sn9c102_id_table); for (i = 0; i < n-1; i++) if (le16_to_cpu(udev->descriptor.idVendor) == sn9c102_id_table[i].idVendor && @@ -2711,7 +2708,6 @@ static void sn9c102_usb_disconnect(struct usb_interface* intf) static struct usb_driver sn9c102_usb_driver = { - .owner = THIS_MODULE, .name = "sn9c102", .id_table = sn9c102_id_table, .probe = sn9c102_usb_probe, |