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qtnfmac: fix free_xfer_buffer cleanup

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Check if skb tracking arrays has been already allocated. This additional
check handles the case when init partially failed.

Signed-off-by: Sergey Matyukevich <sergey.matyukevich.os@quantenna.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Sergey Matyukevich 2017-08-29 15:16:22 +03:00 committed by Kalle Valo
parent bab5dac73c
commit b00edea3ed
1 changed files with 2 additions and 2 deletions
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4
drivers/net/wireless/quantenna/qtnfmac/pearl/pcie.c
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@ -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;
}