netdev - Re: [PATCH 1/2] octeontx2-vf: fix bitmap leak

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Message-ID: <aNpbZkQZxa3HkrJj@horms.kernel.org>
Date: Mon, 29 Sep 2025 11:11:50 +0100
From: Simon Horman <horms@...nel.org>
To: Bo Sun <bo@...xify.com>
Cc: sgoutham@...vell.com, gakula@...vell.com, kuba@...nel.org,
	pabeni@...hat.com, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Subject: Re: [PATCH 1/2] octeontx2-vf: fix bitmap leak

On Sat, Sep 27, 2025 at 03:15:04PM +0800, Bo Sun wrote:
> The bitmap allocated with bitmap_zalloc() in otx2vf_probe() was not
> released in otx2vf_remove(). Unbinding and rebinding the driver therefore
> triggers a kmemleak warning:
> 
>     unreferenced object (size 8):
>       backtrace:
>         bitmap_zalloc
>         otx2vf_probe
> 
> Call bitmap_free() in the remove path to fix the leak.
> 
> Fixes: efabce290151 ("octeontx2-pf: AF_XDP zero copy receive support")
> Cc: stable@...r.kernel.org
> Signed-off-by: Bo Sun <bo@...xify.com>

Reviewed-by: Simon Horman <horms@...nel.org>

For reference, as a fix for code present in net, this series
should be targeted at net, like this:

Subject: [PATCH net 1/2] ...

See: https://docs.kernel.org/process/maintainer-netdev.html