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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


             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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