[NET]: Fix kfifo_alloc() error check.
The return value of kfifo_alloc() should be checked by IS_ERR(). Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -160,6 +160,8 @@ static __init int dccpprobe_init(void)
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init_waitqueue_head(&dccpw.wait);
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spin_lock_init(&dccpw.lock);
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dccpw.fifo = kfifo_alloc(bufsize, GFP_KERNEL, &dccpw.lock);
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if (IS_ERR(dccpw.fifo))
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return PTR_ERR(dccpw.fifo);
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if (!proc_net_fops_create(procname, S_IRUSR, &dccpprobe_fops))
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goto err0;
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@ -156,6 +156,8 @@ static __init int tcpprobe_init(void)
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init_waitqueue_head(&tcpw.wait);
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spin_lock_init(&tcpw.lock);
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tcpw.fifo = kfifo_alloc(bufsize, GFP_KERNEL, &tcpw.lock);
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if (IS_ERR(tcpw.fifo))
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return PTR_ERR(tcpw.fifo);
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if (!proc_net_fops_create(procname, S_IRUSR, &tcpprobe_fops))
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goto err0;
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