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ledtrig-usbdev: fix duplicate match detection

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Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau 2016-07-23 10:29:55 +02:00
parent f1e085adfe
commit 8fb89f7e73
1 changed files with 5 additions and 4 deletions
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5
target/linux/generic/files/drivers/leds/ledtrig-usbdev.c
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@ -92,13 +92,14 @@ static int usbdev_trig_find_usb_dev(struct usb_device *usb_dev, void *data)
{
struct usbdev_trig_match *match = data;
if (strcmp(dev_name(&usb_dev->dev), match->device_name) != 0)
return 0;
if (WARN_ON(match->usb_dev))
return 0;
if (!strcmp(dev_name(&usb_dev->dev), match->device_name)) {
dev_dbg(&usb_dev->dev, "matched this device!\n");
match->usb_dev = usb_get_dev(usb_dev);
}
return 0;
}