From: Lennert Buytenhek <buytenh@wantstofly.org>
Date: Mon, 24 Aug 2009 13:42:46 +0000 (+0200)
Subject: mwl8k: fix pci dma mapping leak in mwl8k_post_cmd() error path
X-Git-Tag: v2.6.32-rc1~703^2~275^2~59
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=39a1e42eb4d0a2bc3f1211e9012bd23734ab86db;p=profile%2Fivi%2Fkernel-adaptation-intel-automotive.git

mwl8k: fix pci dma mapping leak in mwl8k_post_cmd() error path

Signed-off-by: Lennert Buytenhek <buytenh@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 4d3353c..a4336f4 100644
--- a/drivers/net/wireless/mwl8k.c
+++ b/drivers/net/wireless/mwl8k.c
@@ -1439,8 +1439,11 @@ static int mwl8k_post_cmd(struct ieee80211_hw *hw, struct mwl8k_cmd_pkt *cmd)
 		return -ENOMEM;
 
 	rc = mwl8k_fw_lock(hw);
-	if (rc)
+	if (rc) {
+		pci_unmap_single(priv->pdev, dma_addr, dma_size,
+						PCI_DMA_BIDIRECTIONAL);
 		return rc;
+	}
 
 	priv->hostcmd_wait = &cmd_wait;
 	iowrite32(dma_addr, regs + MWL8K_HIU_GEN_PTR);