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dmaengine: at_xdmac: fix missing spin_unlock

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Lock taken when entering the function but unlock missing before it
returns.

Signed-off-by: Ludovic Desroches <[email protected]>
Reported-by: Dan Carpenter <[email protected]>
Signed-off-by: Vinod Koul <[email protected]>
This commit is contained in:
Ludovic Desroches 2014-11-13 11:52:43 +01:00 • committed by Vinod Koul
commit 87809839a5
1 changed files with 1 additions and 0 deletions
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1
drivers/dma/at_xdmac.c
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@ -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;
}