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sfc: fix potential memleak in __ef100_hard_start_xmit()

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[ Upstream commit aad98abd5c ]

The __ef100_hard_start_xmit() returns NETDEV_TX_OK without freeing skb
in error handling case, add dev_kfree_skb_any() to fix it.

Fixes: 51b35a454e ("sfc: skeleton EF100 PF driver")
Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com>
Acked-by: Martin Habets <habetsm.xilinx@gmail.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Link: https://lore.kernel.org/r/1668671409-10909-1-git-send-email-zhangchangzhong@huawei.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Zhang Changzhong 2022-11-17 15:50:09 +08:00 • committed by Greg Kroah-Hartman
commit 8e2664e12b
1 changed files with 1 additions and 0 deletions
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drivers/net/ethernet/sfc/ef100_netdev.c
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@ -200,6 +200,7 @@ static netdev_tx_t ef100_hard_start_xmit(struct sk_buff *skb,
skb->len, skb->data_len, channel->channel);
if (!efx->n_channels || !efx->n_tx_channels || !channel) {
netif_stop_queue(net_dev);
dev_kfree_skb_any(skb);
goto err;
}