[dpdk-stable] patch 'net/mlx5: fix error number handling' has been queued to LTS release 17.11.4
Yongseok Koh
yskoh at mellanox.com
Fri Jul 27 04:33:38 CEST 2018
Hi,
FYI, your patch has been queued to LTS release 17.11.4
Note it hasn't been pushed to http://dpdk.org/browse/dpdk-stable yet.
It will be pushed if I get no objections before 07/28/18. So please
shout if anyone has objections.
Thanks.
Yongseok
---
>From 8e47ba2b073a2cb6eb87b97e81436346f729737c Mon Sep 17 00:00:00 2001
From: Yongseok Koh <yskoh at mellanox.com>
Date: Tue, 19 Jun 2018 16:13:13 -0700
Subject: [PATCH] net/mlx5: fix error number handling
[ upstream commit 5cffc8b28dc874d04df7675abf7187c271524f70 ]
rte_errno should be saved only if error has occurred because rte_errno
could have garbage value.
Fixes: a6d83b6a9209 ("net/mlx5: standardize on negative errno values")
Signed-off-by: Yongseok Koh <yskoh at mellanox.com>
Acked-by: Nelio Laranjeiro <nelio.laranjeiro at 6wind.com>
---
drivers/net/mlx5/mlx5_flow.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/net/mlx5/mlx5_flow.c b/drivers/net/mlx5/mlx5_flow.c
index 57b654c35..d261ba13b 100644
--- a/drivers/net/mlx5/mlx5_flow.c
+++ b/drivers/net/mlx5/mlx5_flow.c
@@ -2991,15 +2991,17 @@ wrong_flow:
/* The flow does not match. */
continue;
}
- ret = rte_errno; /* Save rte_errno before cleanup. */
if (flow)
mlx5_flow_list_destroy(dev, &priv->flows, flow);
exit:
+ if (ret)
+ ret = rte_errno; /* Save rte_errno before cleanup. */
for (i = 0; i != hash_rxq_init_n; ++i) {
if (parser.queue[i].ibv_attr)
rte_free(parser.queue[i].ibv_attr);
}
- rte_errno = ret; /* Restore rte_errno. */
+ if (ret)
+ rte_errno = ret; /* Restore rte_errno. */
return -rte_errno;
}
--
2.11.0
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