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authorJeff Garzik <jeff@garzik.org>2006-10-10 15:09:43 -0300
committerMauro Carvalho Chehab <mchehab@infradead.org>2006-10-14 00:44:13 -0300
commit2444a2fca488fa8e362895a4ca9fdc51f497282a (patch)
tree05e4bcdc628f9825da6f027cb506728ad3649957
parent474ce78130ba37cb50e620c538ab3ffe6c582ba6 (diff)
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>
-rw-r--r--drivers/media/video/ov511.c58
-rw-r--r--drivers/media/video/stv680.c53
2 files changed, 90 insertions, 21 deletions
diff --git a/drivers/media/video/ov511.c b/drivers/media/video/ov511.c
index ce4886f1528..b4db2cbb5a8 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:
diff --git a/drivers/media/video/stv680.c b/drivers/media/video/stv680.c
index 87e11300181..6d1ef1e2e8e 100644
--- a/drivers/media/video/stv680.c
+++ b/drivers/media/video/stv680.c
@@ -516,16 +516,45 @@ stv680_file(frames_read, framecount, "%d\n");
stv680_file(packets_dropped, dropped, "%d\n");
stv680_file(decoding_errors, error, "%d\n");
-static void stv680_create_sysfs_files(struct video_device *vdev)
+static int stv680_create_sysfs_files(struct video_device *vdev)
{
- video_device_create_file(vdev, &class_device_attr_model);
- video_device_create_file(vdev, &class_device_attr_in_use);
- video_device_create_file(vdev, &class_device_attr_streaming);
- video_device_create_file(vdev, &class_device_attr_palette);
- video_device_create_file(vdev, &class_device_attr_frames_total);
- video_device_create_file(vdev, &class_device_attr_frames_read);
- video_device_create_file(vdev, &class_device_attr_packets_dropped);
- video_device_create_file(vdev, &class_device_attr_decoding_errors);
+ int rc;
+
+ rc = video_device_create_file(vdev, &class_device_attr_model);
+ if (rc) goto err;
+ rc = video_device_create_file(vdev, &class_device_attr_in_use);
+ if (rc) goto err_model;
+ rc = video_device_create_file(vdev, &class_device_attr_streaming);
+ if (rc) goto err_inuse;
+ rc = video_device_create_file(vdev, &class_device_attr_palette);
+ if (rc) goto err_stream;
+ rc = video_device_create_file(vdev, &class_device_attr_frames_total);
+ if (rc) goto err_pal;
+ rc = video_device_create_file(vdev, &class_device_attr_frames_read);
+ if (rc) goto err_framtot;
+ rc = video_device_create_file(vdev, &class_device_attr_packets_dropped);
+ if (rc) goto err_framread;
+ rc = video_device_create_file(vdev, &class_device_attr_decoding_errors);
+ if (rc) goto err_dropped;
+
+ return 0;
+
+err_dropped:
+ video_device_remove_file(vdev, &class_device_attr_packets_dropped);
+err_framread:
+ video_device_remove_file(vdev, &class_device_attr_frames_read);
+err_framtot:
+ video_device_remove_file(vdev, &class_device_attr_frames_total);
+err_pal:
+ video_device_remove_file(vdev, &class_device_attr_palette);
+err_stream:
+ video_device_remove_file(vdev, &class_device_attr_streaming);
+err_inuse:
+ video_device_remove_file(vdev, &class_device_attr_in_use);
+err_model:
+ video_device_remove_file(vdev, &class_device_attr_model);
+err:
+ return rc;
}
static void stv680_remove_sysfs_files(struct video_device *vdev)
@@ -1418,9 +1447,13 @@ static int stv680_probe (struct usb_interface *intf, const struct usb_device_id
PDEBUG (0, "STV(i): registered new video device: video%d", stv680->vdev->minor);
usb_set_intfdata (intf, stv680);
- stv680_create_sysfs_files(stv680->vdev);
+ retval = stv680_create_sysfs_files(stv680->vdev);
+ if (retval)
+ goto error_unreg;
return 0;
+error_unreg:
+ video_unregister_device(stv680->vdev);
error_vdev:
video_device_release(stv680->vdev);
error: