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From: Simon Horman <horms@kernel.org>
To: Haoxiang Li <haoxiang_li2024@163.com>
Cc: sgoutham@marvell.com, lcherian@marvell.com, gakula@marvell.com,
	hkelam@marvell.com, sbhatta@marvell.com, andrew+netdev@lunn.ch,
	davem@davemloft.net, edumazet@google.com, kuba@kernel.org,
	pabeni@redhat.com, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org, stable@vger.kernel.org
Subject: Re: [PATCH] octeontx2-af: Free BPID bitmap on setup failure
Date: Wed, 24 Jun 2026 18:09:30 +0100	[thread overview]
Message-ID: <20260624170930.GB1131256@horms.kernel.org> (raw)
In-Reply-To: <20260623114316.2182271-1-haoxiang_li2024@163.com>

On Tue, Jun 23, 2026 at 07:43:16PM +0800, Haoxiang Li wrote:
> nix_setup_bpids() allocates bp->bpids with rvu_alloc_bitmap(), which uses
> a plain kcalloc(). If any of the following devm_kcalloc() allocations for
> the BPID mapping arrays fails, the function returns without freeing the
> bitmap. Free the BPID bitmap before returning from those error paths.
> 
> Fixes: d6212d2e41a0 ("octeontx2-af: Create BPIDs free pool")
> Cc: stable@vger.kernel.org
> Signed-off-by: Haoxiang Li <haoxiang_li2024@163.com>

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

I am wondering if you did a pass for any other similar problems
with users of rvu_alloc_bitmap.

  reply	other threads:[~2026-06-24 17:09 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-06-23 11:43 [PATCH] octeontx2-af: Free BPID bitmap on setup failure Haoxiang Li
2026-06-24 17:09 ` Simon Horman [this message]
2026-06-25  0:34   ` haoxiang_li2024

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