From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: jeff.liu@oracle.com
Cc: linux-serial@vger.kernel.org
Subject: Re: [PATCH] drivers/tty/tty_io.c: fix a potential memleak at do_tty_write()
Date: Mon, 18 Jun 2012 17:04:15 +0100 [thread overview]
Message-ID: <20120618170415.4d035911@pyramind.ukuu.org.uk> (raw)
In-Reply-To: <4FDF1DDA.3030704@oracle.com>
On Mon, 18 Jun 2012 20:23:54 +0800
Jeff Liu <jeff.liu@oracle.com> wrote:
> Hello,
>
> Looks there is a potential memory leak at drivers/tty/tty_io.c: do_tty_write().
> It did allocate a buf_chunk if tty->write_cnt < chunk, however, buf_chunk was not
> freed after the writing is done. Below tiny patch could fix it.
Why should it be freed, we still have a reference to it.
Alan
next prev parent reply other threads:[~2012-06-18 16:00 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-18 12:23 [PATCH] drivers/tty/tty_io.c: fix a potential memleak at do_tty_write() Jeff Liu
2012-06-18 15:26 ` Greg KH
2012-06-18 16:04 ` Alan Cox [this message]
2012-06-18 18:00 ` Paul Fulghum
2012-06-19 3:44 ` Jeff Liu
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