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| author | Jeff Garzik <jeff@garzik.org> | 2006-10-10 15:09:43 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2006-10-14 00:44:13 -0300 |
| commit | 2444a2fca488fa8e362895a4ca9fdc51f497282a (patch) | |
| tree | 05e4bcdc628f9825da6f027cb506728ad3649957 /drivers/media/video/ov511.c | |
| parent | 474ce78130ba37cb50e620c538ab3ffe6c582ba6 (diff) | |
| download | lwn-2444a2fca488fa8e362895a4ca9fdc51f497282a.tar.gz lwn-2444a2fca488fa8e362895a4ca9fdc51f497282a.zip | |
V4L/DVB (4741): {ov511,stv680}: handle sysfs errors
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/video/ov511.c')
| -rw-r--r-- | drivers/media/video/ov511.c | 58 |
1 files changed, 47 insertions, 11 deletions
diff --git a/drivers/media/video/ov511.c b/drivers/media/video/ov511.c index ce4886f1528d..b4db2cbb5a84 100644 --- a/drivers/media/video/ov511.c +++ b/drivers/media/video/ov511.c @@ -5648,17 +5648,49 @@ static ssize_t show_exposure(struct class_device *cd, char *buf) } static CLASS_DEVICE_ATTR(exposure, S_IRUGO, show_exposure, NULL); -static void ov_create_sysfs(struct video_device *vdev) +static int ov_create_sysfs(struct video_device *vdev) { - video_device_create_file(vdev, &class_device_attr_custom_id); - video_device_create_file(vdev, &class_device_attr_model); - video_device_create_file(vdev, &class_device_attr_bridge); - video_device_create_file(vdev, &class_device_attr_sensor); - video_device_create_file(vdev, &class_device_attr_brightness); - video_device_create_file(vdev, &class_device_attr_saturation); - video_device_create_file(vdev, &class_device_attr_contrast); - video_device_create_file(vdev, &class_device_attr_hue); - video_device_create_file(vdev, &class_device_attr_exposure); + int rc; + + rc = video_device_create_file(vdev, &class_device_attr_custom_id); + if (rc) goto err; + rc = video_device_create_file(vdev, &class_device_attr_model); + if (rc) goto err_id; + rc = video_device_create_file(vdev, &class_device_attr_bridge); + if (rc) goto err_model; + rc = video_device_create_file(vdev, &class_device_attr_sensor); + if (rc) goto err_bridge; + rc = video_device_create_file(vdev, &class_device_attr_brightness); + if (rc) goto err_sensor; + rc = video_device_create_file(vdev, &class_device_attr_saturation); + if (rc) goto err_bright; + rc = video_device_create_file(vdev, &class_device_attr_contrast); + if (rc) goto err_sat; + rc = video_device_create_file(vdev, &class_device_attr_hue); + if (rc) goto err_contrast; + rc = video_device_create_file(vdev, &class_device_attr_exposure); + if (rc) goto err_hue; + + return 0; + +err_hue: + video_device_remove_file(vdev, &class_device_attr_hue); +err_contrast: + video_device_remove_file(vdev, &class_device_attr_contrast); +err_sat: + video_device_remove_file(vdev, &class_device_attr_saturation); +err_bright: + video_device_remove_file(vdev, &class_device_attr_brightness); +err_sensor: + video_device_remove_file(vdev, &class_device_attr_sensor); +err_bridge: + video_device_remove_file(vdev, &class_device_attr_bridge); +err_model: + video_device_remove_file(vdev, &class_device_attr_model); +err_id: + video_device_remove_file(vdev, &class_device_attr_custom_id); +err: + return rc; } /**************************************************************************** @@ -5817,7 +5849,11 @@ ov51x_probe(struct usb_interface *intf, const struct usb_device_id *id) ov->vdev->minor); usb_set_intfdata(intf, ov); - ov_create_sysfs(ov->vdev); + if (ov_create_sysfs(ov->vdev)) { + err("ov_create_sysfs failed"); + goto error; + } + return 0; error: |