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| author | Mauro Carvalho Chehab <mchehab@infradead.org> | 2006-10-13 07:17:32 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2006-10-13 07:17:32 -0300 |
| commit | 09079a0af5c7ece49f0e3f98910dd06a5f895e76 (patch) | |
| tree | ac326b8b162a5f3f071722e23acd7f5162c5eb68 /linux/drivers/media/video/et61x251 | |
| parent | 779192a9131a64668c6a2f7cb9bfb138397e9a3c (diff) | |
| download | mediapointer-dvb-s2-09079a0af5c7ece49f0e3f98910dd06a5f895e76.tar.gz mediapointer-dvb-s2-09079a0af5c7ece49f0e3f98910dd06a5f895e76.tar.bz2 | |
drivers/media/video: handle sysfs errors
From: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'linux/drivers/media/video/et61x251')
| -rw-r--r-- | linux/drivers/media/video/et61x251/et61x251_core.c | 37 |
1 files changed, 31 insertions, 6 deletions
diff --git a/linux/drivers/media/video/et61x251/et61x251_core.c b/linux/drivers/media/video/et61x251/et61x251_core.c index 8992b6e62..cf59793cf 100644 --- a/linux/drivers/media/video/et61x251/et61x251_core.c +++ b/linux/drivers/media/video/et61x251/et61x251_core.c @@ -973,16 +973,32 @@ static CLASS_DEVICE_ATTR(i2c_val, S_IRUGO | S_IWUSR, et61x251_show_i2c_val, et61x251_store_i2c_val); -static void et61x251_create_sysfs(struct et61x251_device* cam) +static int et61x251_create_sysfs(struct et61x251_device* cam) { struct video_device *v4ldev = cam->v4ldev; + int rc; - video_device_create_file(v4ldev, &class_device_attr_reg); - video_device_create_file(v4ldev, &class_device_attr_val); + rc = video_device_create_file(v4ldev, &class_device_attr_reg); + if (rc) goto err; + rc = video_device_create_file(v4ldev, &class_device_attr_val); + if (rc) goto err_reg; if (cam->sensor.sysfs_ops) { - video_device_create_file(v4ldev, &class_device_attr_i2c_reg); - video_device_create_file(v4ldev, &class_device_attr_i2c_val); + rc = video_device_create_file(v4ldev, &class_device_attr_i2c_reg); + if (rc) goto err_val; + rc = video_device_create_file(v4ldev, &class_device_attr_i2c_val); + if (rc) goto err_i2c_reg; } + + return 0; + +err_i2c_reg: + video_device_remove_file(v4ldev, &class_device_attr_i2c_reg); +err_val: + video_device_remove_file(v4ldev, &class_device_attr_val); +err_reg: + video_device_remove_file(v4ldev, &class_device_attr_reg); +err: + return rc; } #endif /* CONFIG_VIDEO_ADV_DEBUG */ @@ -2534,7 +2550,9 @@ et61x251_usb_probe(struct usb_interface* intf, const struct usb_device_id* id) dev_nr = (dev_nr < ET61X251_MAX_DEVICES-1) ? dev_nr+1 : 0; #ifdef CONFIG_VIDEO_ADV_DEBUG - et61x251_create_sysfs(cam); + err = et61x251_create_sysfs(cam); + if (err) + goto fail2; DBG(2, "Optional device control through 'sysfs' interface ready"); #endif @@ -2544,6 +2562,13 @@ et61x251_usb_probe(struct usb_interface* intf, const struct usb_device_id* id) return 0; +#ifdef CONFIG_VIDEO_ADV_DEBUG +fail2: + video_nr[dev_nr] = -1; + dev_nr = (dev_nr < ET61X251_MAX_DEVICES-1) ? dev_nr+1 : 0; + mutex_unlock(&cam->dev_mutex); + video_unregister_device(cam->v4ldev); +#endif fail: if (cam) { kfree(cam->control_buffer); |