[TCP]: Fix botched memory leak fix to tcpprobe_read().
Somehow I clobbered James's original fix and only my subsequent compiler warning change went in for that changeset. Get the real fix in there. Noticed by Jesper Juhl. Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -130,11 +130,12 @@ static ssize_t tcpprobe_read(struct file *file, char __user *buf,
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error = wait_event_interruptible(tcpw.wait,
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__kfifo_len(tcpw.fifo) != 0);
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if (error)
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return error;
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goto out_free;
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cnt = kfifo_get(tcpw.fifo, tbuf, len);
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error = copy_to_user(buf, tbuf, cnt);
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out_free:
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vfree(tbuf);
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return error ? error : cnt;
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