From: Simon Horman <horms@kernel.org>
To: Erni Sri Satya Vennela <ernis@linux.microsoft.com>
Cc: kys@microsoft.com, haiyangz@microsoft.com, wei.liu@kernel.org,
decui@microsoft.com, longli@microsoft.com, andrew+netdev@lunn.ch,
davem@davemloft.net, edumazet@google.com, kuba@kernel.org,
pabeni@redhat.com, ssengar@linux.microsoft.com,
dipayanroy@linux.microsoft.com, gargaditya@linux.microsoft.com,
shirazsaleem@microsoft.com, kees@kernel.org,
kotaranov@microsoft.com, leon@kernel.org, shacharr@microsoft.com,
stephen@networkplumber.org, linux-hyperv@vger.kernel.org,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH net v2 1/4] net: mana: Init link_change_work before potential error paths in probe
Date: Tue, 14 Apr 2026 16:41:31 +0100 [thread overview]
Message-ID: <20260414154131.GH469338@kernel.org> (raw)
In-Reply-To: <20260413050843.605789-2-ernis@linux.microsoft.com>
On Sun, Apr 12, 2026 at 10:08:37PM -0700, Erni Sri Satya Vennela wrote:
> Move INIT_WORK(link_change_work) to right after the mana_context
> allocation, before any error path that could reach mana_remove().
>
> Previously, if mana_create_eq() or mana_query_device_cfg() failed,
> mana_probe() would jump to the error path which calls mana_remove().
> mana_remove() unconditionally calls disable_work_sync(link_change_work),
> but the work struct had not been initialized yet. This can trigger
> CONFIG_DEBUG_OBJECTS_WORK enabled.
>
> Fixes: 54133f9b4b53 ("net: mana: Support HW link state events")
> Signed-off-by: Erni Sri Satya Vennela <ernis@linux.microsoft.com>
> ---
> Changes in v2:
> * Apply the patch in net instead of net-next.
Reviewed-by: Simon Horman <horms@kernel.org>
next prev parent reply other threads:[~2026-04-14 15:41 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-13 5:08 [PATCH net v2 0/4] net: mana: Fix probe/remove error path bugs Erni Sri Satya Vennela
2026-04-13 5:08 ` [PATCH net v2 1/4] net: mana: Init link_change_work before potential error paths in probe Erni Sri Satya Vennela
2026-04-14 15:41 ` Simon Horman [this message]
2026-04-13 5:08 ` [PATCH net v2 2/4] net: mana: Init gf_stats_work " Erni Sri Satya Vennela
2026-04-14 15:41 ` Simon Horman
2026-04-13 5:08 ` [PATCH net v2 3/4] net: mana: Don't overwrite port probe error with add_adev result Erni Sri Satya Vennela
2026-04-14 15:35 ` Simon Horman
2026-04-15 7:04 ` Erni Sri Satya Vennela
2026-04-15 12:37 ` Simon Horman
2026-04-13 5:08 ` [PATCH net v2 4/4] net: mana: Fix EQ leak in mana_remove on NULL port Erni Sri Satya Vennela
2026-04-14 15:40 ` Simon Horman
2026-04-15 7:01 ` Erni Sri Satya Vennela
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