2009-04-13 16:30:57

by Sujith

[permalink] [raw]
Subject: [PATCH 02/11] ath9k: Fix memleak on TX DMA failure

The driver-specific region has to be freed in case
of a DMA mapping failure.

Cc: [email protected]
Signed-off-by: Sujith <[email protected]>
---
drivers/net/wireless/ath/ath9k/xmit.c | 5 +++--
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 628b780..faf2cab 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;
}

--
1.6.2.2