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path: root/drivers/media/video
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-rw-r--r--drivers/media/video/Kconfig2
-rw-r--r--drivers/media/video/et61x251/et61x251_core.c3
-rw-r--r--drivers/media/video/pvrusb2/pvrusb2-hdw.c10
-rw-r--r--drivers/media/video/pvrusb2/pvrusb2-io.c2
-rw-r--r--drivers/media/video/pwc/pwc-if.c9
-rw-r--r--drivers/media/video/saa6588.c4
-rw-r--r--drivers/media/video/saa7115.c9
-rw-r--r--drivers/media/video/sn9c102/sn9c102_core.c5
-rw-r--r--drivers/media/video/usbvideo/quickcam_messenger.c3
-rw-r--r--drivers/media/video/zc0301/zc0301_core.c2
10 files changed, 24 insertions, 25 deletions
diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig
index bf267552941..b8fde5cf473 100644
--- a/drivers/media/video/Kconfig
+++ b/drivers/media/video/Kconfig
@@ -24,7 +24,7 @@ config VIDEO_HELPER_CHIPS_AUTO
decode audio/video standards. This option will autoselect
all pertinent modules to each selected video module.
- Unselect this only if you know exaclty what you are doing, since
+ Unselect this only if you know exactly what you are doing, since
it may break support on some boards.
In doubt, say Y.
diff --git a/drivers/media/video/et61x251/et61x251_core.c b/drivers/media/video/et61x251/et61x251_core.c
index f786ab11d2c..86e353b26b5 100644
--- a/drivers/media/video/et61x251/et61x251_core.c
+++ b/drivers/media/video/et61x251/et61x251_core.c
@@ -1182,8 +1182,6 @@ static void et61x251_release_resources(struct et61x251_device* cam)
video_set_drvdata(cam->v4ldev, NULL);
video_unregister_device(cam->v4ldev);
- usb_put_dev(cam->usbdev);
-
mutex_unlock(&et61x251_sysfs_lock);
kfree(cam->control_buffer);
@@ -1275,6 +1273,7 @@ static int et61x251_release(struct inode* inode, struct file* filp)
if (cam->state & DEV_DISCONNECTED) {
et61x251_release_resources(cam);
+ usb_put_dev(cam->usbdev);
mutex_unlock(&cam->dev_mutex);
kfree(cam);
return 0;
diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.c b/drivers/media/video/pvrusb2/pvrusb2-hdw.c
index f920e0ccacd..1f787333d18 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-hdw.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.c
@@ -1953,8 +1953,8 @@ struct pvr2_hdw *pvr2_hdw_create(struct usb_interface *intf,
return hdw;
fail:
if (hdw) {
- if (hdw->ctl_read_urb) usb_free_urb(hdw->ctl_read_urb);
- if (hdw->ctl_write_urb) usb_free_urb(hdw->ctl_write_urb);
+ usb_free_urb(hdw->ctl_read_urb);
+ usb_free_urb(hdw->ctl_write_urb);
if (hdw->ctl_read_buffer) kfree(hdw->ctl_read_buffer);
if (hdw->ctl_write_buffer) kfree(hdw->ctl_write_buffer);
if (hdw->controls) kfree(hdw->controls);
@@ -2575,12 +2575,10 @@ static void pvr2_ctl_timeout(unsigned long data)
struct pvr2_hdw *hdw = (struct pvr2_hdw *)data;
if (hdw->ctl_write_pend_flag || hdw->ctl_read_pend_flag) {
hdw->ctl_timeout_flag = !0;
- if (hdw->ctl_write_pend_flag && hdw->ctl_write_urb) {
+ if (hdw->ctl_write_pend_flag)
usb_unlink_urb(hdw->ctl_write_urb);
- }
- if (hdw->ctl_read_pend_flag && hdw->ctl_read_urb) {
+ if (hdw->ctl_read_pend_flag)
usb_unlink_urb(hdw->ctl_read_urb);
- }
}
}
diff --git a/drivers/media/video/pvrusb2/pvrusb2-io.c b/drivers/media/video/pvrusb2/pvrusb2-io.c
index 70aa63eba0c..57fb3203354 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-io.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-io.c
@@ -289,7 +289,7 @@ static void pvr2_buffer_done(struct pvr2_buffer *bp)
pvr2_buffer_set_none(bp);
bp->signature = 0;
bp->stream = NULL;
- if (bp->purb) usb_free_urb(bp->purb);
+ usb_free_urb(bp->purb);
pvr2_trace(PVR2_TRACE_BUF_POOL,"/*---TRACE_FLOW---*/"
" bufferDone %p",bp);
}
diff --git a/drivers/media/video/pwc/pwc-if.c b/drivers/media/video/pwc/pwc-if.c
index 46c11483088..a996aad7927 100644
--- a/drivers/media/video/pwc/pwc-if.c
+++ b/drivers/media/video/pwc/pwc-if.c
@@ -866,11 +866,9 @@ int pwc_isoc_init(struct pwc_device *pdev)
}
if (ret) {
/* De-allocate in reverse order */
- while (i >= 0) {
- if (pdev->sbuf[i].urb != NULL)
- usb_free_urb(pdev->sbuf[i].urb);
+ while (i--) {
+ usb_free_urb(pdev->sbuf[i].urb);
pdev->sbuf[i].urb = NULL;
- i--;
}
return ret;
}
@@ -1095,8 +1093,7 @@ static int pwc_video_open(struct inode *inode, struct file *file)
PWC_DEBUG_OPEN(">> video_open called(vdev = 0x%p).\n", vdev);
pdev = (struct pwc_device *)vdev->priv;
- if (pdev == NULL)
- BUG();
+ BUG_ON(!pdev);
if (pdev->vopen) {
PWC_DEBUG_OPEN("I'm busy, someone is using the device.\n");
return -EBUSY;
diff --git a/drivers/media/video/saa6588.c b/drivers/media/video/saa6588.c
index 8ba05c214ca..92eabf88a09 100644
--- a/drivers/media/video/saa6588.c
+++ b/drivers/media/video/saa6588.c
@@ -212,8 +212,10 @@ static void read_from_buf(struct saa6588 *s, struct rds_command *a)
if (rd_blocks > s->block_count)
rd_blocks = s->block_count;
- if (!rd_blocks)
+ if (!rd_blocks) {
+ spin_unlock_irqrestore(&s->lock, flags);
return;
+ }
for (i = 0; i < rd_blocks; i++) {
if (block_to_user_buf(s, buf_ptr)) {
diff --git a/drivers/media/video/saa7115.c b/drivers/media/video/saa7115.c
index c5719f7bd1a..f28398dd9d9 100644
--- a/drivers/media/video/saa7115.c
+++ b/drivers/media/video/saa7115.c
@@ -1464,8 +1464,6 @@ static int saa711x_attach(struct i2c_adapter *adapter, int address, int kind)
client->driver = &i2c_driver_saa711x;
snprintf(client->name, sizeof(client->name) - 1, "saa7115");
- v4l_dbg(1, debug, client, "detecting saa7115 client on address 0x%x\n", address << 1);
-
for (i=0;i<0x0f;i++) {
saa711x_write(client, 0, i);
name[i] = (saa711x_read(client, 0) &0x0f) +'0';
@@ -1477,6 +1475,13 @@ static int saa711x_attach(struct i2c_adapter *adapter, int address, int kind)
saa711x_write(client, 0, 5);
chip_id = saa711x_read(client, 0) & 0x0f;
+ /* Check whether this chip is part of the saa711x series */
+ if (memcmp(name, "1f711", 5)) {
+ v4l_dbg(1, debug, client, "chip found @ 0x%x (ID %s) does not match a known saa711x chip.\n",
+ address << 1, name);
+ return 0;
+ }
+
snprintf(client->name, sizeof(client->name) - 1, "saa711%d",chip_id);
v4l_info(client, "saa711%d found (%s) @ 0x%x (%s)\n", chip_id, name, address << 1, adapter->name);
diff --git a/drivers/media/video/sn9c102/sn9c102_core.c b/drivers/media/video/sn9c102/sn9c102_core.c
index a4702d3c2ac..18458d46c0f 100644
--- a/drivers/media/video/sn9c102/sn9c102_core.c
+++ b/drivers/media/video/sn9c102/sn9c102_core.c
@@ -775,7 +775,7 @@ static int sn9c102_start_transfer(struct sn9c102_device* cam)
return 0;
free_urbs:
- for (i = 0; (i < SN9C102_URBS) && cam->urb[i]; i++)
+ for (i = 0; i < SN9C102_URBS; i++)
usb_free_urb(cam->urb[i]);
free_buffers:
@@ -1462,8 +1462,6 @@ static void sn9c102_release_resources(struct sn9c102_device* cam)
video_set_drvdata(cam->v4ldev, NULL);
video_unregister_device(cam->v4ldev);
- usb_put_dev(cam->usbdev);
-
mutex_unlock(&sn9c102_sysfs_lock);
kfree(cam->control_buffer);
@@ -1555,6 +1553,7 @@ static int sn9c102_release(struct inode* inode, struct file* filp)
if (cam->state & DEV_DISCONNECTED) {
sn9c102_release_resources(cam);
+ usb_put_dev(cam->usbdev);
mutex_unlock(&cam->dev_mutex);
kfree(cam);
return 0;
diff --git a/drivers/media/video/usbvideo/quickcam_messenger.c b/drivers/media/video/usbvideo/quickcam_messenger.c
index 9a26b9484aa..bbf2beeeb44 100644
--- a/drivers/media/video/usbvideo/quickcam_messenger.c
+++ b/drivers/media/video/usbvideo/quickcam_messenger.c
@@ -190,8 +190,7 @@ static int qcm_alloc_int_urb(struct qcm *cam)
static void qcm_free_int(struct qcm *cam)
{
- if (cam->button_urb)
- usb_free_urb(cam->button_urb);
+ usb_free_urb(cam->button_urb);
}
#endif /* CONFIG_INPUT */
diff --git a/drivers/media/video/zc0301/zc0301_core.c b/drivers/media/video/zc0301/zc0301_core.c
index 5b556342442..52d0f759ee0 100644
--- a/drivers/media/video/zc0301/zc0301_core.c
+++ b/drivers/media/video/zc0301/zc0301_core.c
@@ -489,7 +489,7 @@ static int zc0301_start_transfer(struct zc0301_device* cam)
return 0;
free_urbs:
- for (i = 0; (i < ZC0301_URBS) && cam->urb[i]; i++)
+ for (i = 0; i < ZC0301_URBS; i++)
usb_free_urb(cam->urb[i]);
free_buffers: