From: Nishant Sarmukadam <nishants@marvell.com>
Date: Tue, 6 Nov 2012 13:52:48 +0000 (+0530)
Subject: mwl8k: Unmap the pci DMA address in xmit error path
X-Git-Url: http://git.mmlx.us/?a=commitdiff_plain;h=ff7aa96f669d81b51339f7a0faf7ca37ed841ef1;p=linux-edison.git

mwl8k: Unmap the pci DMA address in xmit error path

We should unmap the DMA address in the error path, else it
causes resource leaks. Fix this.

Signed-off-by: Nishant Sarmukadam <nishants@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c
index 996176596e0..5b5b9ecbf1f 100644
--- a/drivers/net/wireless/mwl8k.c
+++ b/drivers/net/wireless/mwl8k.c
@@ -2005,6 +2005,8 @@ mwl8k_txq_xmit(struct ieee80211_hw *hw,
 				spin_unlock(&priv->stream_lock);
 			}
 			spin_unlock_bh(&priv->tx_lock);
+			pci_unmap_single(priv->pdev, dma, skb->len,
+					 PCI_DMA_TODEVICE);
 			dev_kfree_skb(skb);
 			return;
 		}