Merge branch 'net-mana-fix-probe-remove-error-path-bugs'

Erni Sri Satya Vennela says:

====================
net: mana: Fix probe/remove error path bugs

Fix five bugs in mana_probe()/mana_remove() error handling that can
cause warnings on uninitialized work structs, NULL pointer dereferences,
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 guards mana_remove() against double invocation. If PM resume
fails, mana_probe() calls mana_remove() which sets gdma_context and
driver_data to NULL. A failed resume does not unbind the driver, so
when the device is eventually unbound, mana_remove() is called again
and dereferences NULL, causing a kernel panic. An early return on
NULL gdma_context or driver_data makes the second call harmless.

Patch 4 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 5 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.
====================

Link: https://patch.msgid.link/20260420124741.1056179-1-ernis@linux.microsoft.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>

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