From: Alan Cox <alan@linux.intel.com>
To: Tomoya MORINAGA <tomoya.rohm@gmail.com>
Cc: gregkh@suse.de, linux-kernel@vger.kernel.org,
linux-serial@vger.kernel.org, qi.wang@intel.com,
yong.y.wang@intel.com, joel.clark@intel.com,
kok.howg.ewe@intel.com
Subject: Re: [PATCH] pch_uart: Fix DMA resource leak issue
Date: Fri, 11 Nov 2011 08:37:40 +0000 [thread overview]
Message-ID: <20111111083740.3e02c46a@bob.linux.org.uk> (raw)
In-Reply-To: <1320976527-6142-1-git-send-email-tomoya.rohm@gmail.com>
> MODIFICATION:
> Currently, when release DMA channel resource, this driver checks
> dma-flag. However, this specification occurs the above issue.
> This driver must check whether dma_request_channel is executed or
> not. The values are saved in private data variable "chan_tx/chan_tx".
> These variables mean if the value is NULL, DMA channel is not
> requested, if not NULL, DMA channel is requested.
>
> This patch fixes the issue.
>
> Signed-off-by: Tomoya MORINAGA <tomoya.rohm@gmail.com>
Acked-by: Alan Cox <alan@linux.intel.com>
prev parent reply other threads:[~2011-11-11 8:26 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-11 1:55 [PATCH] pch_uart: Fix DMA resource leak issue Tomoya MORINAGA
2011-11-11 8:37 ` Alan Cox [this message]
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