linux-kernel - Re: [PATCH net] net: dlink: use dev_kfree_skb_any instead of dev_kfree

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Message-ID: <20251003081729.GB2878334@horms.kernel.org>
Date: Fri, 3 Oct 2025 09:17:29 +0100
From: Simon Horman <horms@...nel.org>
To: Yeounsu Moon <yyyynoom@...il.com>
Cc: Andrew Lunn <andrew+netdev@...n.ch>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net] net: dlink: use dev_kfree_skb_any instead of
 dev_kfree_skb

On Fri, Oct 03, 2025 at 11:23:00AM +0900, Yeounsu Moon wrote:
> Replace `dev_kfree_skb()` with `dev_kfree_skb_any()` in `start_xmit()`
> which can be called from hard irq context (netpoll) and from other
> contexts.
> 
> Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
> Signed-off-by: Yeounsu Moon <yyyynoom@...il.com>
> Tested-on: D-Link DGE-550T Rev-A3

Hi,

I am curious to know why this problem has come up now.
Or more to the point, why it has not come up since the cited commit
was made, 20 years ago.

I am also curious to know how the problem was found.
By inspection? Through testing? Other?

...