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USB: keyspan: fix null-deref at disconnect and release

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Make sure to fail properly if the device is not accepted during attach
in order to avoid null-pointer derefs (of missing interface private
data) at disconnect or release.

Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Johan Hovold 2013-08-13 13:27:35 +02:00 committed by Greg Kroah-Hartman
parent ef6c8c1d73
commit ff8a43c10f
1 changed files with 1 additions and 1 deletions
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2
drivers/usb/serial/keyspan.c
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@ -2303,7 +2303,7 @@ static int keyspan_startup(struct usb_serial *serial)
if (d_details == NULL) {
dev_err(&serial->dev->dev, "%s - unknown product id %x\n",
__func__, le16_to_cpu(serial->dev->descriptor.idProduct));
return 1;
return -ENODEV;
}
/* Setup private data for serial driver */