From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Roi Dayan <roid@mellanox.com>, Mark Bloch <markb@mellanox.com>,
Paul Blakey <paulb@mellanox.com>,
Saeed Mahameed <saeedm@mellanox.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
netdev@vger.kernel.org, linux-rdma@vger.kernel.org
Subject: [PATCH AUTOSEL 5.6 239/606] net/mlx5: Fix cleaning unmanaged flow tables
Date: Mon, 8 Jun 2020 19:06:04 -0400 [thread overview]
Message-ID: <20200608231211.3363633-239-sashal@kernel.org> (raw)
In-Reply-To: <20200608231211.3363633-1-sashal@kernel.org>
From: Roi Dayan <roid@mellanox.com>
[ Upstream commit aee37f3d940ca732df71c3df49347bccaafc0b24 ]
Unmanaged flow tables doesn't have a parent and tree_put_node()
assume there is always a parent if cleaning is needed. fix that.
Fixes: 5281a0c90919 ("net/mlx5: fs_core: Introduce unmanaged flow tables")
Signed-off-by: Roi Dayan <roid@mellanox.com>
Reviewed-by: Mark Bloch <markb@mellanox.com>
Reviewed-by: Paul Blakey <paulb@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/ethernet/mellanox/mlx5/core/fs_core.c | 11 ++++++-----
1 file changed, 6 insertions(+), 5 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
index 9dc24241dc91..cdc566768a07 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
@@ -323,14 +323,13 @@ static void tree_put_node(struct fs_node *node, bool locked)
if (node->del_hw_func)
node->del_hw_func(node);
if (parent_node) {
- /* Only root namespace doesn't have parent and we just
- * need to free its node.
- */
down_write_ref_node(parent_node, locked);
list_del_init(&node->list);
if (node->del_sw_func)
node->del_sw_func(node);
up_write_ref_node(parent_node, locked);
+ } else if (node->del_sw_func) {
+ node->del_sw_func(node);
} else {
kfree(node);
}
@@ -447,8 +446,10 @@ static void del_sw_flow_table(struct fs_node *node)
fs_get_obj(ft, node);
rhltable_destroy(&ft->fgs_hash);
- fs_get_obj(prio, ft->node.parent);
- prio->num_ft--;
+ if (ft->node.parent) {
+ fs_get_obj(prio, ft->node.parent);
+ prio->num_ft--;
+ }
kfree(ft);
}
--
2.25.1
next prev parent reply other threads:[~2020-06-09 0:24 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20200608231211.3363633-1-sashal@kernel.org>
2020-06-08 23:02 ` [PATCH AUTOSEL 5.6 009/606] net/rds: Use ERR_PTR for rds_message_alloc_sgs() Sasha Levin
2020-06-08 23:03 ` [PATCH AUTOSEL 5.6 071/606] RDMA/uverbs: Do not discard the IB_EVENT_DEVICE_FATAL event Sasha Levin
2020-06-08 23:03 ` [PATCH AUTOSEL 5.6 072/606] RDMA/uverbs: Move IB_EVENT_DEVICE_FATAL to destroy_uobj Sasha Levin
2020-06-08 23:05 ` [PATCH AUTOSEL 5.6 217/606] net/mlx5: Add command entry handling completion Sasha Levin
2020-06-08 23:05 ` [PATCH AUTOSEL 5.6 229/606] net/mlx5e: kTLS, Destroy key object after destroying the TIS Sasha Levin
2020-06-08 23:05 ` [PATCH AUTOSEL 5.6 230/606] net/mlx5e: Fix inner tirs handling Sasha Levin
2020-06-08 23:05 ` [PATCH AUTOSEL 5.6 231/606] net/mlx5: Fix memory leak in mlx5_events_init Sasha Levin
2020-06-08 23:05 ` [PATCH AUTOSEL 5.6 232/606] net/mlx5e: Update netdev txq on completions during closure Sasha Levin
2020-06-08 23:05 ` [PATCH AUTOSEL 5.6 233/606] net/mlx5: Fix error flow in case of function_setup failure Sasha Levin
2020-06-08 23:06 ` [PATCH AUTOSEL 5.6 238/606] net/mlx5: Fix a race when moving command interface to events mode Sasha Levin
2020-06-08 23:06 ` Sasha Levin [this message]
2020-06-08 23:06 ` [PATCH AUTOSEL 5.6 241/606] net/mlx5: Avoid processing commands before cmdif is ready Sasha Levin
2020-06-08 23:06 ` [PATCH AUTOSEL 5.6 242/606] net/mlx5: Annotate mutex destroy for root ns Sasha Levin
2020-06-08 23:06 ` [PATCH AUTOSEL 5.6 246/606] net/mlx4_core: fix a memory leak bug Sasha Levin
2020-06-08 23:06 ` [PATCH AUTOSEL 5.6 274/606] IB/i40iw: Remove bogus call to netdev_master_upper_dev_get() Sasha Levin
2020-06-08 23:07 ` [PATCH AUTOSEL 5.6 306/606] IB/qib: Call kobject_put() when kobject_init_and_add() fails Sasha Levin
2020-06-08 23:07 ` [PATCH AUTOSEL 5.6 313/606] RDMA/mlx5: Fix NULL pointer dereference in destroy_prefetch_work Sasha Levin
2020-06-08 23:07 ` [PATCH AUTOSEL 5.6 317/606] RDMA/pvrdma: Fix missing pci disable in pvrdma_pci_probe() Sasha Levin
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20200608231211.3363633-239-sashal@kernel.org \
--to=sashal@kernel.org \
--cc=gregkh@linuxfoundation.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-rdma@vger.kernel.org \
--cc=markb@mellanox.com \
--cc=netdev@vger.kernel.org \
--cc=paulb@mellanox.com \
--cc=roid@mellanox.com \
--cc=saeedm@mellanox.com \
--cc=stable@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).