Re: [PATCH] dma driver: fix potential oom issue of fsldma
From: Li Yang <hidden>
Date: 2016-03-07 23:49:23
On Thu, Dec 24, 2015 at 1:26 AM, Xuelin Shi [off-list ref] wrote:
From: Xuelin Shi <redacted>
And please cc dmaengine maintainers and its mailing list when you send next version.
quoted hunk ↗ jump to hunk
missing unmap sources and destinations while doing dequeue. Signed-off-by: Xuelin Shi <redacted> --- drivers/dma/fsldma.c | 2 ++ 1 file changed, 2 insertions(+)diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c index 2209f75..aac85c3 100644 --- a/drivers/dma/fsldma.c +++ b/drivers/dma/fsldma.c@@ -522,6 +522,8 @@ static dma_cookie_t fsldma_run_tx_complete_actions(struct fsldma_chan *chan, chan_dbg(chan, "LD %p callback\n", desc); txd->callback(txd->callback_param); } + + dma_descriptor_unmap(txd); } /* Run any dependencies */ --1.8.4 _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev