linux-kernel - Re: [PATCH net] net: bcmasp: Handle RX buffer allocation failure

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Date: Thu, 15 Feb 2024 12:40:26 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Florian Fainelli <florian.fainelli@...adcom.com>
Cc: netdev@...r.kernel.org, justin.chen@...adcom.com, davem@...emloft.net,
 edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com, horms@...nel.org,
 bcm-kernel-feedback-list@...adcom.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net] net: bcmasp: Handle RX buffer allocation failure

Hello:

This patch was applied to netdev/net.git (main)
by Paolo Abeni <pabeni@...hat.com>:

On Tue, 13 Feb 2024 09:33:39 -0800 you wrote:
> The buffer_pg variable needs to hold an order-5 allocation (32 x
> PAGE_SIZE) which, under memory pressure may fail to be allocated. Deal
> with that error condition properly to avoid doing a NULL pointer
> de-reference in the subsequent call to dma_map_page().
> 
> In addition, the err_reclaim_tx error label in bcmasp_netif_init() needs
> to ensure that the TX NAPI object is properly deleted, otherwise
> unregister_netdev() will spin forever attempting to test and clear
> the NAPI_STATE_HASHED bit.
> 
> [...]

Here is the summary with links:
  - [net] net: bcmasp: Handle RX buffer allocation failure
    https://git.kernel.org/netdev/net/c/e5b2e810daf9

You are awesome, thank you!
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