From 39a1e42eb4d0a2bc3f1211e9012bd23734ab86db Mon Sep 17 00:00:00 2001 From: Lennert Buytenhek Date: Mon, 24 Aug 2009 15:42:46 +0200 Subject: [PATCH] mwl8k: fix pci dma mapping leak in mwl8k_post_cmd() error path Signed-off-by: Lennert Buytenhek Signed-off-by: John W. Linville --- drivers/net/wireless/mwl8k.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c index 4d3353cb308b..a4336f45f523 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);