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caif: fix NULL pointer check
Reported-by: <rucsoftsec@gmail.com> Resolves-bug: http://bugzilla.kernel.org/show_bug?44441 Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -325,6 +325,9 @@ static int ldisc_open(struct tty_struct *tty)
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sprintf(name, "cf%s", tty->name);
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dev = alloc_netdev(sizeof(*ser), name, caifdev_setup);
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if (!dev)
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return -ENOMEM;
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ser = netdev_priv(dev);
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ser->tty = tty_kref_get(tty);
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ser->dev = dev;
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