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authorSujith <Sujith.Manoharan@atheros.com>2009-04-13 20:26:34 +0400
committerJohn W. Linville <linville@tuxdriver.com>2009-04-23 00:54:46 +0400
commit675902ef822c114c0dac17ed10eed43eb8f5c9ec (patch)
tree87958b08f6161fc9e1bb64abeae86f3253fcf48e /drivers/net/wireless/ath/ath9k/xmit.c
parentd2f5b3a6778ae86fd93cb01ccac16aa0b079e441 (diff)
downloadlinux-675902ef822c114c0dac17ed10eed43eb8f5c9ec.tar.xz
ath9k: Fix memleak on TX DMA failure
The driver-specific region has to be freed in case of a DMA mapping failure. Cc: stable@kernel.org Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/xmit.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/xmit.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 628b780d8844..faf2cab49ea3 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -1572,8 +1572,9 @@ static int ath_tx_setup_buffer(struct ieee80211_hw *hw, struct ath_buf *bf,
skb->len, DMA_TO_DEVICE);
if (unlikely(dma_mapping_error(sc->dev, bf->bf_dmacontext))) {
bf->bf_mpdu = NULL;
- DPRINTF(sc, ATH_DBG_CONFIG,
- "dma_mapping_error() on TX\n");
+ kfree(tx_info_priv);
+ tx_info->rate_driver_data[0] = NULL;
+ DPRINTF(sc, ATH_DBG_FATAL, "dma_mapping_error() on TX\n");
return -ENOMEM;
}