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USB: yurex: fix race between probe() and read()
There's a window during which read() would return 0 instead of a correct error for no data yet. Reorder initialization to fix the race. Signed-off-by: Oliver Neukum <oneukum@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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1 changed files with 1 additions and 2 deletions
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@ -296,6 +296,7 @@ static int yurex_probe(struct usb_interface *interface, const struct usb_device_
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/* save our data pointer in this interface device */
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usb_set_intfdata(interface, dev);
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dev->bbu = -1;
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/* we can register the device now, as it is ready */
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retval = usb_register_dev(interface, &yurex_class);
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@ -306,8 +307,6 @@ static int yurex_probe(struct usb_interface *interface, const struct usb_device_
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goto error;
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}
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dev->bbu = -1;
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dev_info(&interface->dev,
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"USB YUREX device now attached to Yurex #%d\n",
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interface->minor);
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