[PATCH 4/5] qtnfmac: fix free_xfer_buffer cleanup
From: Sergey Matyukevich <hidden>
Date: 2017-08-29 12:17:12
Subsystem:
quantenna qtnfmac wireless driver, the rest · Maintainers:
Igor Mitsyanko, Linus Torvalds
Check if skb tracking arrays has been already allocated. This additional check handles the case when init partially failed. Signed-off-by: Sergey Matyukevich <redacted> --- drivers/net/wireless/quantenna/qtnfmac/pearl/pcie.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireless/quantenna/qtnfmac/pearl/pcie.c b/drivers/net/wireless/quantenna/qtnfmac/pearl/pcie.c
index bfbcd0bf75bf..2921d8069bf2 100644
--- a/drivers/net/wireless/quantenna/qtnfmac/pearl/pcie.c
+++ b/drivers/net/wireless/quantenna/qtnfmac/pearl/pcie.c@@ -483,7 +483,7 @@ static void free_xfer_buffers(void *data) /* free rx buffers */ for (i = 0; i < priv->rx_bd_num; i++) { - if (priv->rx_skb[i]) { + if (priv->rx_skb && priv->rx_skb[i]) { rxbd = &priv->rx_bd_vbase[i]; paddr = QTN_HOST_ADDR(le32_to_cpu(rxbd->addr_h), le32_to_cpu(rxbd->addr));
@@ -496,7 +496,7 @@ static void free_xfer_buffers(void *data) /* free tx buffers */ for (i = 0; i < priv->tx_bd_num; i++) { - if (priv->tx_skb[i]) { + if (priv->tx_skb && priv->tx_skb[i]) { dev_kfree_skb_any(priv->tx_skb[i]); priv->tx_skb[i] = NULL; }
--
2.11.0