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* [PATCH net] net: mana: Fix error handling in mana_create_rxq()
@ 2021-10-07 22:45 Haiyang Zhang
  2021-10-08  2:27 ` Jakub Kicinski
  0 siblings, 1 reply; 3+ messages in thread
From: Haiyang Zhang @ 2021-10-07 22:45 UTC (permalink / raw)
  To: linux-hyperv, netdev
  Cc: haiyangz, kys, sthemmin, paulros, shacharr, olaf, vkuznets,
	davem, linux-kernel

Fix error handling in mana_create_rxq() when
cq->gdma_id >= gc->max_num_cqs.

Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
---
 drivers/net/ethernet/microsoft/mana/mana_en.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/microsoft/mana/mana_en.c b/drivers/net/ethernet/microsoft/mana/mana_en.c
index 9a871192ca96..d65697c239c8 100644
--- a/drivers/net/ethernet/microsoft/mana/mana_en.c
+++ b/drivers/net/ethernet/microsoft/mana/mana_en.c
@@ -1477,8 +1477,10 @@ static struct mana_rxq *mana_create_rxq(struct mana_port_context *apc,
 	if (err)
 		goto out;
 
-	if (cq->gdma_id >= gc->max_num_cqs)
+	if (WARN_ON(cq->gdma_id >= gc->max_num_cqs)) {
+		err = -EINVAL;
 		goto out;
+	}
 
 	gc->cq_table[cq->gdma_id] = cq->gdma_cq;
 
-- 
2.25.1


^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH net] net: mana: Fix error handling in mana_create_rxq()
  2021-10-07 22:45 [PATCH net] net: mana: Fix error handling in mana_create_rxq() Haiyang Zhang
@ 2021-10-08  2:27 ` Jakub Kicinski
  2021-10-08 13:05   ` Haiyang Zhang
  0 siblings, 1 reply; 3+ messages in thread
From: Jakub Kicinski @ 2021-10-08  2:27 UTC (permalink / raw)
  To: Haiyang Zhang
  Cc: linux-hyperv, netdev, kys, sthemmin, paulros, shacharr, olaf,
	vkuznets, davem, linux-kernel

On Thu,  7 Oct 2021 15:45:33 -0700 Haiyang Zhang wrote:
> Fix error handling in mana_create_rxq() when
> cq->gdma_id >= gc->max_num_cqs.
> 
> Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>

Fixes: ca9c54d2d6a5 ("net: mana: Add a driver for Microsoft Azure Network Adapter (MANA)")

^ permalink raw reply	[flat|nested] 3+ messages in thread

* RE: [PATCH net] net: mana: Fix error handling in mana_create_rxq()
  2021-10-08  2:27 ` Jakub Kicinski
@ 2021-10-08 13:05   ` Haiyang Zhang
  0 siblings, 0 replies; 3+ messages in thread
From: Haiyang Zhang @ 2021-10-08 13:05 UTC (permalink / raw)
  To: Jakub Kicinski
  Cc: linux-hyperv, netdev, KY Srinivasan, Stephen Hemminger,
	Paul Rosswurm, Shachar Raindel, olaf, vkuznets, davem,
	linux-kernel



> -----Original Message-----
> From: Jakub Kicinski <kuba@kernel.org>
> Sent: Thursday, October 7, 2021 10:28 PM
> To: Haiyang Zhang <haiyangz@microsoft.com>
> Cc: linux-hyperv@vger.kernel.org; netdev@vger.kernel.org; KY Srinivasan
> <kys@microsoft.com>; Stephen Hemminger <sthemmin@microsoft.com>; Paul
> Rosswurm <paulros@microsoft.com>; Shachar Raindel
> <shacharr@microsoft.com>; olaf@aepfle.de; vkuznets <vkuznets@redhat.com>;
> davem@davemloft.net; linux-kernel@vger.kernel.org
> Subject: Re: [PATCH net] net: mana: Fix error handling in
> mana_create_rxq()
> 
> On Thu,  7 Oct 2021 15:45:33 -0700 Haiyang Zhang wrote:
> > Fix error handling in mana_create_rxq() when
> > cq->gdma_id >= gc->max_num_cqs.
> >
> > Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
> 
> Fixes: ca9c54d2d6a5 ("net: mana: Add a driver for Microsoft Azure
> Network Adapter (MANA)")

I will add "Fixes" line.

Thanks,
- Haiyang

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2021-10-08 13:05 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2021-10-07 22:45 [PATCH net] net: mana: Fix error handling in mana_create_rxq() Haiyang Zhang
2021-10-08  2:27 ` Jakub Kicinski
2021-10-08 13:05   ` Haiyang Zhang

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