Messages in this thread Patch in this message | | | Date | Thu, 5 Aug 2010 10:40:08 +0800 | From | Yong Wang <> | Subject | [PATCH] DMAENGINE: at_hdmac: locking fixlet |
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atc_chain_complete shall be called with atchan->lock held and bh disabled.
Signed-off-by: Yong Wang <yong.y.wang@intel.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
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