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

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Message-ID: <0bb6cec0e6bcf22a43bfff4b0813b201@mboxify.com>
Date: Mon, 29 Sep 2025 22:49:54 +0800
From: Bo Sun <bo@...xify.com>
To: Simon Horman <horms@...nel.org>
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 2025-09-29 18:11, Simon Horman wrote:
> 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

Thanks for pointing this out.
I’ll resend v2 for the net tree with the correct subject prefix.

Best regards,
Bo