[PATCH wireless] wilc1000: fix potential memory leak in wilc_mac_xmit()

From: Zhang Changzhong
Date: Wed Nov 16 2022 - 22:37:26 EST


The wilc_mac_xmit() returns NETDEV_TX_OK without freeing skb, add
dev_kfree_skb() to fix it.

Fixes: c5c77ba18ea6 ("staging: wilc1000: Add SDIO/SPI 802.11 driver")
Signed-off-by: Zhang Changzhong <zhangchangzhong@xxxxxxxxxx>
---
drivers/net/wireless/microchip/wilc1000/netdev.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/net/wireless/microchip/wilc1000/netdev.c b/drivers/net/wireless/microchip/wilc1000/netdev.c
index 9b319a4..6f3ae0d 100644
--- a/drivers/net/wireless/microchip/wilc1000/netdev.c
+++ b/drivers/net/wireless/microchip/wilc1000/netdev.c
@@ -730,6 +730,7 @@ netdev_tx_t wilc_mac_xmit(struct sk_buff *skb, struct net_device *ndev)

if (skb->dev != ndev) {
netdev_err(ndev, "Packet not destined to this device\n");
+ dev_kfree_skb(skb);
return NETDEV_TX_OK;
}

--
2.9.5