[PATCH net] net: ethernet: mtk_eth_soc: fix potential memory leak in mtk_rx_alloc()

patchwork-bot+netdevbpf at kernel.org patchwork-bot+netdevbpf at kernel.org
Tue Nov 22 21:00:19 PST 2022


Hello:

This patch was applied to netdev/net.git (master)
by Jakub Kicinski <kuba at kernel.org>:

On Sun, 20 Nov 2022 11:54:05 +0800 you wrote:
> When fail to dma_map_single() in mtk_rx_alloc(), it returns directly.
> But the memory allocated for local variable data is not freed, and
> local variabel data has not been attached to ring->data[i] yet, so the
> memory allocated for local variable data will not be freed outside
> mtk_rx_alloc() too. Thus memory leak would occur in this scenario.
> 
> Add skb_free_frag(data) when dma_map_single() failed.
> 
> [...]

Here is the summary with links:
  - [net] net: ethernet: mtk_eth_soc: fix potential memory leak in mtk_rx_alloc()
    https://git.kernel.org/netdev/net/c/3213f808ae21

You are awesome, thank you!
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