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-rw-r--r--drivers/dma/at_xdmac.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c
index bf2aacbbf4cc..586275fe1120 100644
--- a/drivers/dma/at_xdmac.c
+++ b/drivers/dma/at_xdmac.c
@@ -901,6 +901,7 @@ at_xdmac_tx_status(struct dma_chan *chan, dma_cookie_t cookie,
 	 */
 	if (!desc->active_xfer) {
 		dma_set_residue(txstate, desc->xfer_size);
+		spin_unlock_bh(&atchan->lock);
 		return ret;
 	}