Re: [PATCH net-next 0/4] net: mana: Fix probe/remove error path bugs
From: Erni Sri Satya Vennela
Date: Wed Apr 08 2026 - 06:18:09 EST
On Fri, Apr 03, 2026 at 11:28:34PM -0700, Mohsin Bashir wrote:
>
>
> On 4/3/26 12:09 AM, Erni Sri Satya Vennela wrote:
> > Fix four pre-existing bugs in mana_probe()/mana_remove() error handling
> > that can cause warnings on uninitialized work structs, masked errors,
> > and resource leaks when early probe steps fail.
> >
> > Patches 1-2 move work struct initialization (link_change_work and
> > gf_stats_work) to before any error path that could trigger
> > mana_remove(), preventing WARN_ON in __flush_work() or debug object
> > warnings when sync cancellation runs on uninitialized work structs.
> >
> > Patch 3 prevents add_adev() from overwriting a port probe error,
> > which could leave the driver in a broken state with NULL ports while
> > reporting success.
> >
> > Patch 4 changes 'goto out' to 'break' in mana_remove()'s port loop
> > so that mana_destroy_eq() is always reached, preventing EQ leaks when
> > a NULL port is encountered.
> >
> > Erni Sri Satya Vennela (4):
> > net: mana: Init link_change_work before potential error paths in probe
> > net: mana: Init gf_stats_work before potential error paths in probe
> > net: mana: Don't overwrite port probe error with add_adev result
> > net: mana: Fix EQ leak in mana_remove on NULL port
> >
> > drivers/net/ethernet/microsoft/mana/mana_en.c | 28 +++++++++----------
> > 1 file changed, 14 insertions(+), 14 deletions(-)
> >
> I believe mana is already in the mainline so fixes go to the net tree?
Thanks for the correction Mohsin.
I'll make this chaneg in the next version.
- Vennela