diff options
| author | Devin Heitmueller <dheitmueller@linuxtv.org> | 2009-03-11 21:58:04 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-03-30 12:43:27 -0300 |
| commit | e13ce79734348610a2b782cb818db65659b0dc83 (patch) | |
| tree | 41b70ab7cfd93b553ce3c0cb59dd75a187396887 | |
| parent | b14667f32ad0f85f986847ef65f9f3d12a44b71a (diff) | |
V4L/DVB (11081): au0828: make sure v4l2_device name is unique
Make sure newly created v4l2 devices have a unique name, modeling the logic
after the cx18 driver.
Thanks to Andy Walls <awalls@radix.net> for pointing out the issue.
Signed-off-by: Devin Heitmueller <dheitmueller@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
| -rw-r--r-- | drivers/media/video/au0828/au0828-core.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/media/video/au0828/au0828-core.c b/drivers/media/video/au0828/au0828-core.c index 3281a17fa2cd..8c761d164442 100644 --- a/drivers/media/video/au0828/au0828-core.c +++ b/drivers/media/video/au0828/au0828-core.c @@ -36,6 +36,8 @@ int au0828_debug; module_param_named(debug, au0828_debug, int, 0644); MODULE_PARM_DESC(debug, "enable debug messages"); +static atomic_t au0828_instance = ATOMIC_INIT(0); + #define _AU0828_BULKPIPE 0x03 #define _BULKPIPESIZE 0xffff @@ -167,7 +169,7 @@ static void au0828_usb_disconnect(struct usb_interface *interface) static int au0828_usb_probe(struct usb_interface *interface, const struct usb_device_id *id) { - int ifnum, retval; + int ifnum, retval, i; struct au0828_dev *dev; struct usb_device *usbdev = interface_to_usbdev(interface); @@ -195,8 +197,9 @@ static int au0828_usb_probe(struct usb_interface *interface, usb_set_intfdata(interface, dev); /* Create the v4l2_device */ + i = atomic_inc_return(&au0828_instance) - 1; snprintf(dev->v4l2_dev.name, sizeof(dev->v4l2_dev.name), "%s-%03d", - "au0828", 0); + "au0828", i); retval = v4l2_device_register(&dev->usbdev->dev, &dev->v4l2_dev); if (retval) { printk(KERN_ERR "%s() v4l2_device_register failed\n", |