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Commit b0ebeb9c authored by Yong Wang's avatar Yong Wang Committed by Dan Williams
Browse files

DMAENGINE: at_hdmac: locking fixlet 



atc_chain_complete shall be called with atchan->lock held
and bh disabled.

Signed-off-by: default avatarYong Wang <yong.y.wang@intel.com>
Signed-off-by: default avatarDan Williams <dan.j.williams@intel.com>
parent 61cd2203

drivers/dma/at_hdmac.c

+2 −2
Original line number Diff line number Diff line
@@ -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;

}