[patch 072/108] ath9k: Fix memleak on TX DMA failure

[Greg KH]

2.6.30-stable review patch.  If anyone has any objections, please let us know.

------------------

From: Sujith <Sujith.Manoharan@xxxxxxxxxxx>

commit 675902ef822c114c0dac17ed10eed43eb8f5c9ec upstream.

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

Signed-off-by: Sujith <Sujith.Manoharan@xxxxxxxxxxx>
Signed-off-by: John W. Linville <linville@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>

---
 drivers/net/wireless/ath9k/xmit.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

--- a/drivers/net/wireless/ath9k/xmit.c
+++ b/drivers/net/wireless/ath9k/xmit.c
@@ -1573,8 +1573,9 @@ static int ath_tx_setup_buffer(struct ie
 					   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;
 	}
 


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/