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Date: Thu, 5 Aug 2010 10:40:08 +0800 From: Yong Wang <yong.y.wang@...ux.intel.com> To: Dan Williams <dan.j.williams@...el.com>, Nicolas Ferre <nicolas.ferre@...el.com> Cc: linux-kernel@...r.kernel.org Subject: [PATCH] DMAENGINE: at_hdmac: locking fixlet atc_chain_complete shall be called with atchan->lock held and bh disabled. Signed-off-by: Yong Wang <yong.y.wang@...el.com> --- drivers/dma/at_hdmac.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c index bd5250e..646f6d6 100644 --- a/drivers/dma/at_hdmac.c +++ b/drivers/dma/at_hdmac.c @@ -790,12 +790,12 @@ static int atc_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd, list_splice_init(&atchan->queue, &list); list_splice_init(&atchan->active_list, &list); - spin_unlock_bh(&atchan->lock); - /* Flush all pending and queued descriptors */ list_for_each_entry_safe(desc, _desc, &list, desc_node) atc_chain_complete(atchan, desc); + spin_unlock_bh(&atchan->lock); + return 0; } -- 1.5.5.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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