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| author |   Zijun Hu <quic_zijuhu@quicinc.com> | 2025-02-09 20:59:00 +0800 |
|---|---|---|
| committer |   Rob Herring (Arm) <robh@kernel.org> | 2025-02-25 07:16:50 -0600 |
| commit | 708124d9e6e7ac5ebf927830760679136b23fdf0 (patch) | |
| tree | de20036cf784552cd6e3ae516a2830f28827cf17 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | of/irq: Fix device node refcount leakage in API irq_of_parse_and_map() (diff) | |
| download | wireguard-linux-708124d9e6e7ac5ebf927830760679136b23fdf0.tar.xz wireguard-linux-708124d9e6e7ac5ebf927830760679136b23fdf0.zip | |
of/irq: Fix device node refcount leakages in of_irq_init()
of_irq_init() will leak interrupt controller device node refcounts
in two places as explained below:
1) Leak refcounts of both @desc->dev and @desc->interrupt_parent when
suffers @desc->irq_init_cb() failure.
2) Leak refcount of @desc->interrupt_parent when cleans up list
@intc_desc_list in the end.
Refcounts of both @desc->dev and @desc->interrupt_parent were got in
the first loop, but of_irq_init() does not put them before kfree(@desc)
in places mentioned above, so causes refcount leakages.
Fix by putting refcounts involved before kfree(@desc).
Fixes: 8363ccb917c6 ("of/irq: add missing of_node_put")
Fixes: c71a54b08201 ("of/irq: introduce of_irq_init")
Cc: stable@vger.kernel.org
Signed-off-by: Zijun Hu <quic_zijuhu@quicinc.com>
Link: https://lore.kernel.org/r/20250209-of_irq_fix-v2-7-93e3a2659aa7@quicinc.com
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Diffstat (limited to '')
0 files changed, 0 insertions, 0 deletions