From: Miaoqian Lin <linmq006@gmail.com>
To: Hector Martin <marcan@marcan.st>, Sven Peter <sven@svenpeter.dev>,
Alyssa Rosenzweig <alyssa@rosenzweig.io>,
Thomas Gleixner <tglx@linutronix.de>,
Marc Zyngier <maz@kernel.org>,
Linus Walleij <linus.walleij@linaro.org>,
Bert Vermeulen <bert@biot.com>,
Birger Koblitz <mail@birger-koblitz.de>,
John Crispin <john@phrozen.org>,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Cc: Miaoqian Lin <linmq006@gmail.com>
Subject: [PATCH 0/6] irqchip: Fix some refcount leaks
Date: Wed, 1 Jun 2022 12:09:24 +0400 [thread overview]
Message-ID: <20220601080930.31005-1-linmq006@gmail.com> (raw)
The following patchset fix some refcount leak bugs in irqchip.
The cause of the bugs are missing post handling of some APIs
——of_find_node_by_phandle(),of_find_matching_node_and_match(),
of_get_child_by_name().
These APIs returns node pointer with refcount incremented.
and should use of_node_put() to release it when not needed anymore.
I've sent patch#1 and patch#2 separately before, I move them into
one series for better management. the content of them don't change.
related link:
1. patch#1: https://lore.kernel.org/r/20220526074348.23972-1-linmq006@gmail.com/
2. patch#2: https://lore.kernel.org/r/20220517111710.37753-1-linmq006@gmail.com/
Miaoqian Lin (6):
irqchip/gic/realview: Fix refcount leak in realview_gic_of_init
irqchip/apple-aic: Fix refcount leak in build_fiq_affinity
irqchip/apple-aic: Fix refcount leak in aic_of_ic_init
irqchip/gic-v3: Fix error handling in gic_populate_ppi_partitions
irqchip/gic-v3: Fix refcount leak in gic_populate_ppi_partitions
irqchip/realtek-rtl: Fix refcount leak in map_interrupts
drivers/irqchip/irq-apple-aic.c | 2 ++
drivers/irqchip/irq-gic-realview.c | 1 +
drivers/irqchip/irq-gic-v3.c | 7 +++++--
drivers/irqchip/irq-realtek-rtl.c | 2 +-
4 files changed, 9 insertions(+), 3 deletions(-)
--
2.25.1
next reply other threads:[~2022-06-01 8:11 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-01 8:09 Miaoqian Lin [this message]
2022-06-01 8:09 ` [PATCH 1/6] irqchip/gic/realview: Fix refcount leak in realview_gic_of_init Miaoqian Lin
2022-06-09 16:50 ` [irqchip: irq/irqchip-fixes] " irqchip-bot for Miaoqian Lin
2022-06-01 8:09 ` [PATCH 2/6] irqchip/apple-aic: Fix refcount leak in build_fiq_affinity Miaoqian Lin
2022-06-09 16:50 ` [irqchip: irq/irqchip-fixes] " irqchip-bot for Miaoqian Lin
2022-06-01 8:09 ` [PATCH 3/6] irqchip/apple-aic: Fix refcount leak in aic_of_ic_init Miaoqian Lin
2022-06-09 16:50 ` [irqchip: irq/irqchip-fixes] " irqchip-bot for Miaoqian Lin
2022-06-01 8:09 ` [PATCH 4/6] irqchip/gic-v3: Fix error handling in gic_populate_ppi_partitions Miaoqian Lin
2022-06-09 16:50 ` [irqchip: irq/irqchip-fixes] " irqchip-bot for Miaoqian Lin
2022-06-01 8:09 ` [PATCH 5/6] irqchip/gic-v3: Fix refcount leak " Miaoqian Lin
2022-06-09 16:50 ` [irqchip: irq/irqchip-fixes] " irqchip-bot for Miaoqian Lin
2022-06-01 8:09 ` [PATCH 6/6] irqchip/realtek-rtl: Fix refcount leak in map_interrupts Miaoqian Lin
2022-06-09 16:50 ` [irqchip: irq/irqchip-fixes] " irqchip-bot for Miaoqian Lin
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