From: Haiyang Zhang <haiyangz@microsoft.com>
To: linux-hyperv@vger.kernel.org, netdev@vger.kernel.org
Cc: haiyangz@microsoft.com, kys@microsoft.com,
sthemmin@microsoft.com, paulros@microsoft.com,
shacharr@microsoft.com, olaf@aepfle.de, vkuznets@redhat.com,
davem@davemloft.net, linux-kernel@vger.kernel.org
Subject: [PATCH v2,net] net: mana: Fix error handling in mana_create_rxq()
Date: Fri, 8 Oct 2021 06:11:31 -0700 [thread overview]
Message-ID: <1633698691-31721-1-git-send-email-haiyangz@microsoft.com> (raw)
Fix error handling in mana_create_rxq() when
cq->gdma_id >= gc->max_num_cqs.
Fixes: ca9c54d2d6a5 ("net: mana: Add a driver for Microsoft Azure Network Adapter (MANA)")
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
next reply other threads:[~2021-10-08 13:11 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-08 13:11 Haiyang Zhang [this message]
2021-10-09 0:30 ` [PATCH v2,net] net: mana: Fix error handling in mana_create_rxq() patchwork-bot+netdevbpf
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