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Subject[PATCH v2,net] net: mana: Fix error handling in mana_create_rxq()
Date
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
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