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path: root/drivers/usb/media/sn9c102_core.c
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Diffstat (limited to 'drivers/usb/media/sn9c102_core.c')
-rw-r--r--drivers/usb/media/sn9c102_core.c24
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,
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