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ethernet: atheros: fix a memleak in atl1e_setup_ring_resources 

[ Upstream commit 309fdb1c33fe726d92d0030481346f24e1b01f07 ]

In the error handling of 'offset > adapter->ring_size', the
tx_ring->tx_buffer allocated by kzalloc should be freed,
instead of 'goto failed' instantly.

Fixes: a6a5325239 ("atl1e: Atheros L1E Gigabit Ethernet driver")
Signed-off-by: Zhipeng Lu <alexious@zju.edu.cn>
Reviewed-by: Suman Ghosh <sumang@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Zhipeng Lu 2023-12-14 21:04:04 +08:00 committed by Greg Kroah-Hartman
parent 2839a639db
commit 73e159a240
1 changed files with 4 additions and 1 deletions
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5
drivers/net/ethernet/atheros/atl1e/atl1e_main.c
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@ -866,10 +866,13 @@ static int atl1e_setup_ring_resources(struct atl1e_adapter *adapter)
netdev_err(adapter->netdev, "offset(%d) > ring size(%d) !!\n",
offset, adapter->ring_size);
err = -1;
goto failed;
goto free_buffer;
}
return 0;
free_buffer:
kfree(tx_ring->tx_buffer);
tx_ring->tx_buffer = NULL;
failed:
if (adapter->ring_vir_addr != NULL) {
dma_free_coherent(&pdev->dev, adapter->ring_size,