From: Niklas Cassel <niklas.cassel@axis.com>
Date: Tue, 7 Apr 2015 14:42:45 +0000 (+0200)
Subject: dmaengine: at_xdmac: unlock spin lock before return
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=0434a23198d6a271b70b75221c7568e60482c04e;p=deliverable%2Flinux.git

dmaengine: at_xdmac: unlock spin lock before return

Signed-off-by: Niklas Cassel <niklass@axis.com>
Acked-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
---

diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c
index 09e2825a547a..6d18abf88cb5 100644
--- a/drivers/dma/at_xdmac.c
+++ b/drivers/dma/at_xdmac.c
@@ -1155,8 +1155,10 @@ static int at_xdmac_device_resume(struct dma_chan *chan)
 	dev_dbg(chan2dev(chan), "%s\n", __func__);
 
 	spin_lock_bh(&atchan->lock);
-	if (!at_xdmac_chan_is_paused(atchan))
+	if (!at_xdmac_chan_is_paused(atchan)) {
+		spin_unlock_bh(&atchan->lock);
 		return 0;
+	}
 
 	at_xdmac_write(atxdmac, AT_XDMAC_GRWR, atchan->mask);
 	clear_bit(AT_XDMAC_CHAN_IS_PAUSED, &atchan->status);