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>
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 @@
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;
}