From: Simon Horman <horms@kernel.org>
To: Harshit Mogalapalli <harshit.m.mogalapalli@oracle.com>
Cc: Sunil Goutham <sgoutham@marvell.com>,
Linu Cherian <lcherian@marvell.com>,
Geetha sowjanya <gakula@marvell.com>,
Jerin Jacob <jerinj@marvell.com>, hariprasad <hkelam@marvell.com>,
Subbaraya Sundeep <sbhatta@marvell.com>,
Andrew Lunn <andrew+netdev@lunn.ch>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Nithya Mani <nmani@marvell.com>,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
dan.carpenter@linaro.org, kernel-janitors@vger.kernel.org,
error27@gmail.com
Subject: Re: [PATCH v2] Octeontx2-af: Fix pci_alloc_irq_vectors() return value check
Date: Wed, 15 Oct 2025 17:15:59 +0100 [thread overview]
Message-ID: <aO_Iv3FshxBPkmjs@horms.kernel.org> (raw)
In-Reply-To: <20251015090117.1557870-1-harshit.m.mogalapalli@oracle.com>
On Wed, Oct 15, 2025 at 02:01:17AM -0700, Harshit Mogalapalli wrote:
> In cgx_probe() when pci_alloc_irq_vectors() fails the error value will
> be negative and that check is sufficient.
>
> err = pci_alloc_irq_vectors(pdev, nvec, nvec, PCI_IRQ_MSIX);
> if (err < 0 || err != nvec) {
> ...
> }
>
> When pci_alloc_irq_vectors() fail to allocate nvec number of vectors,
> -ENOSPC is returned, so it would be safe to remove the check that
> compares err with nvec.
>
> Fixes: 1463f382f58d ("octeontx2-af: Add support for CGX link management")
> Suggested-by: Paolo Abeni <pabeni@redhat.com>
> Signed-off-by: Harshit Mogalapalli <harshit.m.mogalapalli@oracle.com>
> ---
> Only compile tested.
>
> v1->v2: Improve the commit message
Thanks for the update.
Reviewed-by: Simon Horman <horms@kernel.org>
next prev parent reply other threads:[~2025-10-15 16:16 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-15 9:01 [PATCH v2] Octeontx2-af: Fix pci_alloc_irq_vectors() return value check Harshit Mogalapalli
2025-10-15 16:15 ` Simon Horman [this message]
2025-10-16 22:50 ` patchwork-bot+netdevbpf
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