From: Saeed Mahameed <saeed@kernel•org>
To: "David S. Miller" <davem@davemloft•net>,
Jakub Kicinski <kuba@kernel•org>, Paolo Abeni <pabeni@redhat•com>,
Eric Dumazet <edumazet@google•com>
Cc: Saeed Mahameed <saeedm@nvidia•com>,
netdev@vger•kernel.org, Roy Novich <royno@nvidia•com>,
Moshe Shemesh <moshe@nvidia•com>
Subject: [net 05/13] net/mlx5: Fix cmd error logging for manage pages cmd
Date: Mon, 22 Aug 2022 12:59:09 -0700 [thread overview]
Message-ID: <20220822195917.216025-6-saeed@kernel.org> (raw)
In-Reply-To: <20220822195917.216025-1-saeed@kernel.org>
From: Roy Novich <royno@nvidia•com>
When the driver unloads, give/reclaim_pages may fail as PF driver in
teardown flow, current code will lead to the following kernel log print
'failed reclaiming pages: err 0'.
Fix it to get same behavior as before the cited commits,
by calling mlx5_cmd_check before handling error state.
mlx5_cmd_check will verify if the returned error is an actual error
needed to be handled by the driver or not and will return an
appropriate value.
Fixes: 8d564292a166 ("net/mlx5: Remove redundant error on reclaim pages")
Fixes: 4dac2f10ada0 ("net/mlx5: Remove redundant notify fail on give pages")
Signed-off-by: Roy Novich <royno@nvidia•com>
Reviewed-by: Moshe Shemesh <moshe@nvidia•com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia•com>
---
drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c b/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c
index ec76a8b1acc1..60596357bfc7 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c
@@ -376,8 +376,8 @@ static int give_pages(struct mlx5_core_dev *dev, u16 func_id, int npages,
goto out_dropped;
}
}
+ err = mlx5_cmd_check(dev, err, in, out);
if (err) {
- err = mlx5_cmd_check(dev, err, in, out);
mlx5_core_warn(dev, "func_id 0x%x, npages %d, err %d\n",
func_id, npages, err);
goto out_dropped;
@@ -524,10 +524,13 @@ static int reclaim_pages(struct mlx5_core_dev *dev, u16 func_id, int npages,
dev->priv.reclaim_pages_discard += npages;
}
/* if triggered by FW event and failed by FW then ignore */
- if (event && err == -EREMOTEIO)
+ if (event && err == -EREMOTEIO) {
err = 0;
+ goto out_free;
+ }
+
+ err = mlx5_cmd_check(dev, err, in, out);
if (err) {
- err = mlx5_cmd_check(dev, err, in, out);
mlx5_core_err(dev, "failed reclaiming pages: err %d\n", err);
goto out_free;
}
--
2.37.1
next prev parent reply other threads:[~2022-08-22 20:00 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-22 19:59 [pull request][net 00/13] mlx5 fixes 2022-08-22 Saeed Mahameed
2022-08-22 19:59 ` [net 01/13] net/mlx5e: Properly disable vlan strip on non-UL reps Saeed Mahameed
2022-08-24 1:00 ` patchwork-bot+netdevbpf
2022-08-22 19:59 ` [net 02/13] net/mlx5: LAG, fix logic over MLX5_LAG_FLAG_NDEVS_READY Saeed Mahameed
2022-08-22 19:59 ` [net 03/13] net/mlx5: Eswitch, Fix forwarding decision to uplink Saeed Mahameed
2022-08-22 19:59 ` [net 04/13] net/mlx5: Disable irq when locking lag_lock Saeed Mahameed
2022-08-22 19:59 ` Saeed Mahameed [this message]
2022-08-22 19:59 ` [net 06/13] net/mlx5: Avoid false positive lockdep warning by adding lock_class_key Saeed Mahameed
2022-08-22 19:59 ` [net 07/13] net/mlx5e: Fix wrong application of the LRO state Saeed Mahameed
2022-08-22 19:59 ` [net 08/13] net/mlx5e: TC, Add missing policer validation Saeed Mahameed
2022-08-22 19:59 ` [net 09/13] net/mlx5e: Fix wrong tc flag used when set hw-tc-offload off Saeed Mahameed
2022-08-22 19:59 ` [net 10/13] net/mlx5: unlock on error path in esw_vfs_changed_event_handler() Saeed Mahameed
2022-08-22 19:59 ` [net 11/13] net/mlx5e: kTLS, Use _safe() iterator in mlx5e_tls_priv_tx_list_cleanup() Saeed Mahameed
2022-08-22 19:59 ` [net 12/13] net/mlx5e: Fix use after free in mlx5e_fs_init() Saeed Mahameed
2022-08-22 19:59 ` [net 13/13] net/mlx5: Unlock on error in mlx5_sriov_enable() Saeed Mahameed
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