From patchwork Wed Mar 1 18:52:07 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jean-Jacques Hiblot X-Patchwork-Id: 1750370 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org (client-ip=2404:9400:2:0:216:3eff:fee1:b9f1; helo=lists.ozlabs.org; envelope-from=linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org; receiver=) Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2404:9400:2:0:216:3eff:fee1:b9f1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-384) server-digest SHA384) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4PRyLC2WMcz23j7 for ; Thu, 2 Mar 2023 15:09:55 +1100 (AEDT) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4PRyLC1MKTz3cS4 for ; 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Wed, 1 Mar 2023 19:52:58 +0100 From: Jean-Jacques Hiblot To: , , Geert Uytterhoeven , Magnus Damm , Russell King , Michael Ellerman , Nicholas Piggin , Christophe Leroy , , Daniel Lezcano , Thomas Gleixner , Claudiu Beznea , Marc Zyngier , , Manivannan Sadhasivam , Palmer Dabbelt , Paul Walmsley , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Rob Herring , Frank Rowand , Bjorn Helgaas , Nishanth Menon , , , , , Subject: [PATCH 1/3] of: irq: make callers of of_irq_parse_raw() release the device node Date: Wed, 1 Mar 2023 19:52:07 +0100 Message-ID: <20230301185209.274134-2-jjhiblot@traphandler.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230301185209.274134-1-jjhiblot@traphandler.com> References: <20230301185209.274134-1-jjhiblot@traphandler.com> MIME-Version: 1.0 X-Originating-IP: [88.161.25.233] X-ClientProxiedBy: DAG3EX2.emp2.local (172.16.2.22) To DAG1EX1.emp2.local (172.16.2.1) X-Ovh-Tracer-Id: 11460535152125229436 X-VR-SPAMSTATE: OK X-VR-SPAMSCORE: -100 X-VR-SPAMCAUSE: gggruggvucftvghtrhhoucdtuddrgedvhedrudelhedguddutdcutefuodetggdotefrodftvfcurfhrohhfihhlvgemucfqggfjpdevjffgvefmvefgnecuuegrihhlohhuthemucehtddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenucfjughrpefhvfevufffkffojghfggfgtghisehtkeertdertddtnecuhfhrohhmpeflvggrnhdqlfgrtghquhgvshcujfhisghlohhtuceojhhjhhhisghlohhtsehtrhgrphhhrghnughlvghrrdgtohhmqeenucggtffrrghtthgvrhhnpeduteevleevvefggfdvueffffejhfehheeuiedtgedtjeeghfehueduudegfeefueenucfkphepuddvjedrtddrtddruddpkeekrdduiedurddvhedrvdeffeenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepihhnvghtpeduvdejrddtrddtrddupdhmrghilhhfrhhomhepoehjjhhhihgslhhothesthhrrghphhgrnhgulhgvrhdrtghomheqpdhnsggprhgtphhtthhopedupdhrtghpthhtohepshgrrhgrvhgrnhgrkhesghhoohhglhgvrdgtohhmpdhnmhesthhirdgtohhmpdhsshgrnhhtohhshheskhgvrhhnvghlrdhorhhgpdhmrghthhhirghsrdhnhihmrghnsehinhhtvghlrdgtohhmpdhgrhgvghhkhheslhhinhhugihfohhunhgurghtihhonhdrohhrghdpthhhihgvrhhrhidrrhgvughinhhgsehgmhgrihhlrdgtohhmpdhjohhnrghthhgrnhhhsehnvhhiughirgdrtghomhdplhhinhhugi dqrhgvnhgvshgrshdqshhotgesvhhgvghrrdhkvghrnhgvlhdrohhrghdplhhinhhugidqrghrmhdqkhgvrhhnvghlsehlihhsthhsrdhinhhfrhgruggvrggurdhorhhgpdhlihhnuhigqdhkvghrnhgvlhesvhhgvghrrdhkvghrnhgvlhdrohhrghdplhhinhhugihpphgtqdguvghvsehlihhsthhsrdhoiihlrggsshdrohhrghdplhhinhhugidqfihirhgvlhgvshhssehvghgvrhdrkhgvrhhnvghlrdhorhhgpdhlihhnuhigqdgrtghtihhonhhssehlihhsthhsrdhinhhfrhgruggvrggurdhorhhgpdhlihhnuhigqdhrihhstghvsehlihhsthhsrdhinhhfrhgruggvrggurdhorhhgpdhlihhnuhigqdhsuhhngihisehlihhsthhsrdhlihhnuhigrdguvghvpdguvghvihgtvghtrhgvvgesvhhgvghrrdhkvghrnhgvlhdrohhrghdplhhinhhugidqphgtihesvhhgvghrrdhkvghrnhgvlhdrohhrghdplhhinhhugidquhhssgesvhhgvghrrdhkvghrnhgvlhdrohhrghdpsghhvghlghgrrghssehgohhoghhlvgdrtghomhdpfhhrohifrghnugdrlhhishhtsehgmhgrihhlrdgtohhmpdhrohgshhdoughtsehkvghrnhgvlhdrohhrghdpshgrmhhuvghlsehshhholhhlrghnugdrohhrghdptghlvghmvghnthdrlhgvghgvrhessghoohhtlhhinhdrtghomhdpghgvvghrthdorhgvnhgvshgrshesghhlihguvghrrdgsvgdpmhgrghhnuhhsrdgurghmmhesghhmrghilhdrtghomhdplhhinhhugiesrghrmhhlihhnuhigrdh orhhgrdhukhdpmhhpvgesvghllhgvrhhmrghnrdhiugdrrghupdhnphhighhgihhnsehgmhgrihhlrdgtohhmpdgthhhrihhsthhophhhvgdrlhgvrhhohiestghsghhrohhuphdrvghupdiirghjvggtheesghhmrghilhdrtghomhdplhhinhhugidqthgvghhrrgesvhhgvghrrdhkvghrnhgvlhdrohhrghdpuggrnhhivghlrdhlvgiitggrnhhosehlihhnrghrohdrohhrghdptghlrghuughiuhdrsggviihnvggrsehmihgtrhhotghhihhprdgtohhmpdhmrgiisehkvghrnhgvlhdrohhrghdprghfrggvrhgsvghrsehsuhhsvgdruggvpdhmrghniheskhgvrhhnvghlrdhorhhgpdhprghlmhgvrhesuggrsggsvghlthdrtghomhdpphgruhhlrdifrghlmhhslhgvhiesshhifhhivhgvrdgtohhmpdifvghnshestghsihgvrdhorhhgpdhjvghrnhgvjhdrshhkrhgrsggvtgesghhmrghilhdrtghomhdpthhglhigsehlihhnuhhtrhhonhhigidruggvpdfovfetjfhoshhtpehmohehvdekpdhmohguvgepshhmthhpohhuth X-Mailman-Approved-At: Thu, 02 Mar 2023 15:09:14 +1100 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Jean-Jacques Hiblot , linux-actions@lists.infradead.org, linux-usb@vger.kernel.org, linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-pci@vger.kernel.org, linux-tegra@vger.kernel.org, linux-riscv@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, linux-sunxi@lists.linux.dev, linux-arm-kernel@lists.infradead.org Errors-To: linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" of_irq_parse_raw() does a get() on the device node returned in out_irq->np. Callers of of_irq_parse_raw() must do a put() when they are done with it. Signed-off-by: Jean-Jacques Hiblot --- arch/powerpc/platforms/fsl_uli1575.c | 1 + drivers/bcma/main.c | 5 ++++- 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/platforms/fsl_uli1575.c b/arch/powerpc/platforms/fsl_uli1575.c index 84afae7a25617..ba104f6474bc8 100644 --- a/arch/powerpc/platforms/fsl_uli1575.c +++ b/arch/powerpc/platforms/fsl_uli1575.c @@ -334,6 +334,7 @@ static void hpcd_final_uli5288(struct pci_dev *dev) laddr[1] = laddr[2] = 0; of_irq_parse_raw(laddr, &oirq); dev->irq = irq_create_of_mapping(&oirq); + of_node_put(oirq.np); } DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AL, 0x1575, hpcd_quirk_uli1575); diff --git a/drivers/bcma/main.c b/drivers/bcma/main.c index 0a8469e0b13ad..11219dd79d327 100644 --- a/drivers/bcma/main.c +++ b/drivers/bcma/main.c @@ -193,7 +193,10 @@ static unsigned int bcma_of_get_irq(struct device *parent, return 0; } - return irq_create_of_mapping(&out_irq); + ret = irq_create_of_mapping(&out_irq); + of_node_put(out_irq.np); + + return ret; } static void bcma_of_fill_device(struct device *parent, From patchwork Wed Mar 1 18:52:08 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jean-Jacques Hiblot X-Patchwork-Id: 1750369 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org (client-ip=112.213.38.117; helo=lists.ozlabs.org; envelope-from=linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org; receiver=) Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-384) server-digest SHA384) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4PRyKc68pKz23j7 for ; Thu, 2 Mar 2023 15:09:24 +1100 (AEDT) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4PRyKc1zzmz3cd5 for ; 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Wed, 1 Mar 2023 19:52:58 +0100 From: Jean-Jacques Hiblot To: , , Geert Uytterhoeven , Magnus Damm , Russell King , Michael Ellerman , Nicholas Piggin , Christophe Leroy , , Daniel Lezcano , Thomas Gleixner , Claudiu Beznea , Marc Zyngier , , Manivannan Sadhasivam , Palmer Dabbelt , Paul Walmsley , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Rob Herring , Frank Rowand , Bjorn Helgaas , Nishanth Menon , , , , , Subject: [PATCH 2/3] of: irq: make callers of of_irq_parse_one() release the device node Date: Wed, 1 Mar 2023 19:52:08 +0100 Message-ID: <20230301185209.274134-3-jjhiblot@traphandler.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230301185209.274134-1-jjhiblot@traphandler.com> References: <20230301185209.274134-1-jjhiblot@traphandler.com> MIME-Version: 1.0 X-Originating-IP: [88.161.25.233] X-ClientProxiedBy: DAG3EX2.emp2.local (172.16.2.22) To DAG1EX1.emp2.local (172.16.2.1) X-Ovh-Tracer-Id: 11460535152860871036 X-VR-SPAMSTATE: OK X-VR-SPAMSCORE: -100 X-VR-SPAMCAUSE: gggruggvucftvghtrhhoucdtuddrgedvhedrudelhedguddutdcutefuodetggdotefrodftvfcurfhrohhfihhlvgemucfqggfjpdevjffgvefmvefgnecuuegrihhlohhuthemucehtddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenucfjughrpefhvfevufffkffojghfggfgtghisehtkeertdertddtnecuhfhrohhmpeflvggrnhdqlfgrtghquhgvshcujfhisghlohhtuceojhhjhhhisghlohhtsehtrhgrphhhrghnughlvghrrdgtohhmqeenucggtffrrghtthgvrhhnpeduteevleevvefggfdvueffffejhfehheeuiedtgedtjeeghfehueduudegfeefueenucfkphepuddvjedrtddrtddruddpkeekrdduiedurddvhedrvdeffeenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepihhnvghtpeduvdejrddtrddtrddupdhmrghilhhfrhhomhepoehjjhhhihgslhhothesthhrrghphhgrnhgulhgvrhdrtghomheqpdhnsggprhgtphhtthhopedupdhrtghpthhtohepshgrrhgrvhgrnhgrkhesghhoohhglhgvrdgtohhmpdhnmhesthhirdgtohhmpdhsshgrnhhtohhshheskhgvrhhnvghlrdhorhhgpdhmrghthhhirghsrdhnhihmrghnsehinhhtvghlrdgtohhmpdhgrhgvghhkhheslhhinhhugihfohhunhgurghtihhonhdrohhrghdpthhhihgvrhhrhidrrhgvughinhhgsehgmhgrihhlrdgtohhmpdhjohhnrghthhgrnhhhsehnvhhiughirgdrtghomhdplhhinhhugi dqrhgvnhgvshgrshdqshhotgesvhhgvghrrdhkvghrnhgvlhdrohhrghdplhhinhhugidqrghrmhdqkhgvrhhnvghlsehlihhsthhsrdhinhhfrhgruggvrggurdhorhhgpdhlihhnuhigqdhkvghrnhgvlhesvhhgvghrrdhkvghrnhgvlhdrohhrghdplhhinhhugihpphgtqdguvghvsehlihhsthhsrdhoiihlrggsshdrohhrghdplhhinhhugidqfihirhgvlhgvshhssehvghgvrhdrkhgvrhhnvghlrdhorhhgpdhlihhnuhigqdgrtghtihhonhhssehlihhsthhsrdhinhhfrhgruggvrggurdhorhhgpdhlihhnuhigqdhrihhstghvsehlihhsthhsrdhinhhfrhgruggvrggurdhorhhgpdhlihhnuhigqdhsuhhngihisehlihhsthhsrdhlihhnuhigrdguvghvpdguvghvihgtvghtrhgvvgesvhhgvghrrdhkvghrnhgvlhdrohhrghdplhhinhhugidqphgtihesvhhgvghrrdhkvghrnhgvlhdrohhrghdplhhinhhugidquhhssgesvhhgvghrrdhkvghrnhgvlhdrohhrghdpsghhvghlghgrrghssehgohhoghhlvgdrtghomhdpfhhrohifrghnugdrlhhishhtsehgmhgrihhlrdgtohhmpdhrohgshhdoughtsehkvghrnhgvlhdrohhrghdpshgrmhhuvghlsehshhholhhlrghnugdrohhrghdptghlvghmvghnthdrlhgvghgvrhessghoohhtlhhinhdrtghomhdpghgvvghrthdorhgvnhgvshgrshesghhlihguvghrrdgsvgdpmhgrghhnuhhsrdgurghmmhesghhmrghilhdrtghomhdplhhinhhugiesrghrmhhlihhnuhigrdh orhhgrdhukhdpmhhpvgesvghllhgvrhhmrghnrdhiugdrrghupdhnphhighhgihhnsehgmhgrihhlrdgtohhmpdgthhhrihhsthhophhhvgdrlhgvrhhohiestghsghhrohhuphdrvghupdiirghjvggtheesghhmrghilhdrtghomhdplhhinhhugidqthgvghhrrgesvhhgvghrrdhkvghrnhgvlhdrohhrghdpuggrnhhivghlrdhlvgiitggrnhhosehlihhnrghrohdrohhrghdptghlrghuughiuhdrsggviihnvggrsehmihgtrhhotghhihhprdgtohhmpdhmrgiisehkvghrnhgvlhdrohhrghdprghfrggvrhgsvghrsehsuhhsvgdruggvpdhmrghniheskhgvrhhnvghlrdhorhhgpdhprghlmhgvrhesuggrsggsvghlthdrtghomhdpphgruhhlrdifrghlmhhslhgvhiesshhifhhivhgvrdgtohhmpdifvghnshestghsihgvrdhorhhgpdhjvghrnhgvjhdrshhkrhgrsggvtgesghhmrghilhdrtghomhdpthhglhigsehlihhnuhhtrhhonhhigidruggvpdfovfetjfhoshhtpehmohehvdekpdhmohguvgepshhmthhpohhuth X-Mailman-Approved-At: Thu, 02 Mar 2023 15:09:14 +1100 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Jean-Jacques Hiblot , linux-actions@lists.infradead.org, linux-usb@vger.kernel.org, linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-pci@vger.kernel.org, linux-tegra@vger.kernel.org, linux-riscv@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, linux-sunxi@lists.linux.dev, linux-arm-kernel@lists.infradead.org Errors-To: linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" of_irq_parse_one() does a get() on the device node returned in out_irq->np. Callers of of_irq_parse_one() must do a put() when they are done with it. Signed-off-by: Jean-Jacques Hiblot --- .../mach-shmobile/regulator-quirk-rcar-gen2.c | 1 + arch/powerpc/sysdev/mpic_msi.c | 1 + drivers/clocksource/timer-clint.c | 1 + drivers/irqchip/irq-mchp-eic.c | 1 + drivers/irqchip/irq-owl-sirq.c | 1 + drivers/irqchip/irq-renesas-rzg2l.c | 1 + drivers/irqchip/irq-sifive-plic.c | 1 + drivers/irqchip/irq-sun6i-r.c | 2 ++ drivers/of/irq.c | 22 ++++++++++++++----- drivers/of/unittest.c | 7 ++++++ drivers/pci/of.c | 6 ++++- drivers/soc/ti/knav_qmss_queue.c | 3 +++ drivers/usb/host/xhci-tegra.c | 1 + 13 files changed, 42 insertions(+), 6 deletions(-) diff --git a/arch/arm/mach-shmobile/regulator-quirk-rcar-gen2.c b/arch/arm/mach-shmobile/regulator-quirk-rcar-gen2.c index 117e7b07995b9..af1c04f0705aa 100644 --- a/arch/arm/mach-shmobile/regulator-quirk-rcar-gen2.c +++ b/arch/arm/mach-shmobile/regulator-quirk-rcar-gen2.c @@ -184,6 +184,7 @@ static int __init rcar_gen2_regulator_quirk(void) kfree(quirk); continue; } + of_node_put(argsa->np); list_for_each_entry(pos, &quirk_list, list) { argsb = &pos->irq_args; diff --git a/arch/powerpc/sysdev/mpic_msi.c b/arch/powerpc/sysdev/mpic_msi.c index 34246c8e01c2b..bac8b12291a87 100644 --- a/arch/powerpc/sysdev/mpic_msi.c +++ b/arch/powerpc/sysdev/mpic_msi.c @@ -63,6 +63,7 @@ static int __init mpic_msi_reserve_u3_hwirqs(struct mpic *mpic) ops->xlate(mpic->irqhost, NULL, oirq.args, oirq.args_count, &hwirq, &flags); msi_bitmap_reserve_hwirq(&mpic->msi_bitmap, hwirq); + of_node_put(oirq.np); } } diff --git a/drivers/clocksource/timer-clint.c b/drivers/clocksource/timer-clint.c index 6cfe2ab73eb0c..126912674610c 100644 --- a/drivers/clocksource/timer-clint.c +++ b/drivers/clocksource/timer-clint.c @@ -175,6 +175,7 @@ static int __init clint_timer_init_dt(struct device_node *np) oirq.args[0] == RV_IRQ_TIMER && irq_find_host(oirq.np)) clint_timer_irq = irq_of_parse_and_map(np, i); + of_node_put(oirq.np); } /* If CLINT timer irq not found then fail */ diff --git a/drivers/irqchip/irq-mchp-eic.c b/drivers/irqchip/irq-mchp-eic.c index c726a19837d29..f020d28efc6a4 100644 --- a/drivers/irqchip/irq-mchp-eic.c +++ b/drivers/irqchip/irq-mchp-eic.c @@ -239,6 +239,7 @@ static int mchp_eic_init(struct device_node *node, struct device_node *parent) ret = of_irq_parse_one(node, i, &irq); if (ret) goto clk_unprepare; + of_node_put(irq.np); if (WARN_ON(irq.args_count != 3)) { ret = -EINVAL; diff --git a/drivers/irqchip/irq-owl-sirq.c b/drivers/irqchip/irq-owl-sirq.c index 6e4127465094f..1ac31acb8e792 100644 --- a/drivers/irqchip/irq-owl-sirq.c +++ b/drivers/irqchip/irq-owl-sirq.c @@ -311,6 +311,7 @@ static int __init owl_sirq_init(const struct owl_sirq_params *params, pr_err("%pOF: failed to parse interrupt %d\n", node, i); goto out_unmap; } + of_node_put(irq.np); if (WARN_ON(irq.args_count != 3)) { ret = -EINVAL; diff --git a/drivers/irqchip/irq-renesas-rzg2l.c b/drivers/irqchip/irq-renesas-rzg2l.c index 25fd8ee66565b..095d2263e2dac 100644 --- a/drivers/irqchip/irq-renesas-rzg2l.c +++ b/drivers/irqchip/irq-renesas-rzg2l.c @@ -310,6 +310,7 @@ static int rzg2l_irqc_parse_interrupts(struct rzg2l_irqc_priv *priv, return ret; of_phandle_args_to_fwspec(np, map.args, map.args_count, &priv->fwspec[i]); + of_node_put(map.np); } return 0; diff --git a/drivers/irqchip/irq-sifive-plic.c b/drivers/irqchip/irq-sifive-plic.c index ff47bd0dec455..1a863ab2abd60 100644 --- a/drivers/irqchip/irq-sifive-plic.c +++ b/drivers/irqchip/irq-sifive-plic.c @@ -420,6 +420,7 @@ static int __init __plic_init(struct device_node *node, irq_set_chained_handler(plic_parent_irq, plic_handle_irq); } + of_node_put(parent.np); /* * When running in M-mode we need to ignore the S-mode handler. diff --git a/drivers/irqchip/irq-sun6i-r.c b/drivers/irqchip/irq-sun6i-r.c index a01e440494154..29e5917d1fc9d 100644 --- a/drivers/irqchip/irq-sun6i-r.c +++ b/drivers/irqchip/irq-sun6i-r.c @@ -317,6 +317,8 @@ static int __init sun6i_r_intc_init(struct device_node *node, ret = of_irq_parse_one(node, 0, &nmi_parent); if (ret) return ret; + of_node_put(nmi_parent.np); + if (nmi_parent.args_count < 3 || nmi_parent.args[0] != GIC_SPI || nmi_parent.args[2] != IRQ_TYPE_LEVEL_HIGH) diff --git a/drivers/of/irq.c b/drivers/of/irq.c index e9bf5236ed892..95da943fcf075 100644 --- a/drivers/of/irq.c +++ b/drivers/of/irq.c @@ -35,12 +35,16 @@ */ unsigned int irq_of_parse_and_map(struct device_node *dev, int index) { + unsigned int res; struct of_phandle_args oirq; if (of_irq_parse_one(dev, index, &oirq)) return 0; - return irq_create_of_mapping(&oirq); + res = irq_create_of_mapping(&oirq); + of_node_put(oirq.np); + + return res; } EXPORT_SYMBOL_GPL(irq_of_parse_and_map); @@ -438,10 +442,16 @@ int of_irq_get(struct device_node *dev, int index) return rc; domain = irq_find_host(oirq.np); - if (!domain) - return -EPROBE_DEFER; + if (!domain) { + rc = -EPROBE_DEFER; + goto out; + } - return irq_create_of_mapping(&oirq); + rc = irq_create_of_mapping(&oirq); + +out: + of_node_put(oirq.np); + return rc; } EXPORT_SYMBOL_GPL(of_irq_get); @@ -478,8 +488,10 @@ int of_irq_count(struct device_node *dev) struct of_phandle_args irq; int nr = 0; - while (of_irq_parse_one(dev, nr, &irq) == 0) + while (of_irq_parse_one(dev, nr, &irq) == 0) { nr++; + of_node_put(irq.np); + } return nr; } diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c index bc0f1e50a4bee..801a42c20fc79 100644 --- a/drivers/of/unittest.c +++ b/drivers/of/unittest.c @@ -1021,6 +1021,8 @@ static void __init of_unittest_parse_interrupts(void) memset(&args, 0, sizeof(args)); rc = of_irq_parse_one(np, i, &args); + if (!rc) + of_node_put(args.np); passed &= !rc; passed &= (args.args_count == 1); @@ -1028,6 +1030,7 @@ static void __init of_unittest_parse_interrupts(void) unittest(passed, "index %i - data error on node %pOF rc=%i\n", i, args.np, rc); + } of_node_put(np); @@ -1042,6 +1045,8 @@ static void __init of_unittest_parse_interrupts(void) memset(&args, 0, sizeof(args)); rc = of_irq_parse_one(np, i, &args); + if (!rc) + of_node_put(args.np); /* Test the values from tests-phandle.dtsi */ switch (i) { @@ -1098,6 +1103,8 @@ static void __init of_unittest_parse_interrupts_extended(void) memset(&args, 0, sizeof(args)); rc = of_irq_parse_one(np, i, &args); + if (!rc) + of_node_put(args.np); /* Test the values from tests-phandle.dtsi */ switch (i) { diff --git a/drivers/pci/of.c b/drivers/pci/of.c index 196834ed44fe8..a3a047f57e439 100644 --- a/drivers/pci/of.c +++ b/drivers/pci/of.c @@ -535,7 +535,11 @@ int of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin) if (ret) return 0; /* Proper return code 0 == NO_IRQ */ - return irq_create_of_mapping(&oirq); + ret = irq_create_of_mapping(&oirq); + + of_node_put(oirq.np); + + return ret; } EXPORT_SYMBOL_GPL(of_irq_parse_and_map_pci); #endif /* CONFIG_OF_IRQ */ diff --git a/drivers/soc/ti/knav_qmss_queue.c b/drivers/soc/ti/knav_qmss_queue.c index 8fb76908be704..0ac4a0f219127 100644 --- a/drivers/soc/ti/knav_qmss_queue.c +++ b/drivers/soc/ti/knav_qmss_queue.c @@ -1240,6 +1240,9 @@ static int knav_setup_queue_range(struct knav_device *kdev, break; range->irqs[i].irq = irq_create_of_mapping(&oirq); + + of_node_put(oirq.np); + if (range->irqs[i].irq == IRQ_NONE) break; diff --git a/drivers/usb/host/xhci-tegra.c b/drivers/usb/host/xhci-tegra.c index bdb776553826b..538eedac1c71e 100644 --- a/drivers/usb/host/xhci-tegra.c +++ b/drivers/usb/host/xhci-tegra.c @@ -1458,6 +1458,7 @@ static int tegra_xusb_probe(struct platform_device *pdev) /* Older device-trees don't have padctrl interrupt */ err = of_irq_parse_one(np, 0, &args); if (!err) { + of_node_put(args.np); tegra->padctl_irq = of_irq_get(np, 0); if (tegra->padctl_irq <= 0) { err = (tegra->padctl_irq == 0) ? -ENODEV : tegra->padctl_irq; From patchwork Wed Mar 1 18:52:09 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jean-Jacques Hiblot X-Patchwork-Id: 1750371 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org (client-ip=112.213.38.117; helo=lists.ozlabs.org; envelope-from=linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org; receiver=) Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-384)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4PRyLn7182z1yWy for ; Thu, 2 Mar 2023 15:10:25 +1100 (AEDT) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4PRyLn30Jfz3fR5 for ; 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Wed, 1 Mar 2023 19:52:59 +0100 From: Jean-Jacques Hiblot To: , , Geert Uytterhoeven , Magnus Damm , Russell King , Michael Ellerman , Nicholas Piggin , Christophe Leroy , , Daniel Lezcano , Thomas Gleixner , Claudiu Beznea , Marc Zyngier , , Manivannan Sadhasivam , Palmer Dabbelt , Paul Walmsley , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Rob Herring , Frank Rowand , Bjorn Helgaas , Nishanth Menon , , , , , Subject: [PATCH 3/3] of: irq: release the node after looking up for "interrupts-extended" Date: Wed, 1 Mar 2023 19:52:09 +0100 Message-ID: <20230301185209.274134-4-jjhiblot@traphandler.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230301185209.274134-1-jjhiblot@traphandler.com> References: <20230301185209.274134-1-jjhiblot@traphandler.com> MIME-Version: 1.0 X-Originating-IP: [88.161.25.233] X-ClientProxiedBy: DAG3EX2.emp2.local (172.16.2.22) To DAG1EX1.emp2.local (172.16.2.1) X-Ovh-Tracer-Id: 11460535155466975612 X-VR-SPAMSTATE: OK X-VR-SPAMSCORE: -100 X-VR-SPAMCAUSE: gggruggvucftvghtrhhoucdtuddrgedvhedrudelhedguddutdcutefuodetggdotefrodftvfcurfhrohhfihhlvgemucfqggfjpdevjffgvefmvefgnecuuegrihhlohhuthemucehtddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenucfjughrpefhvfevufffkffojghfggfgtghisehtkeertdertddtnecuhfhrohhmpeflvggrnhdqlfgrtghquhgvshcujfhisghlohhtuceojhhjhhhisghlohhtsehtrhgrphhhrghnughlvghrrdgtohhmqeenucggtffrrghtthgvrhhnpeduteevleevvefggfdvueffffejhfehheeuiedtgedtjeeghfehueduudegfeefueenucfkphepuddvjedrtddrtddruddpkeekrdduiedurddvhedrvdeffeenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepihhnvghtpeduvdejrddtrddtrddupdhmrghilhhfrhhomhepoehjjhhhihgslhhothesthhrrghphhgrnhgulhgvrhdrtghomheqpdhnsggprhgtphhtthhopedupdhrtghpthhtohepshgrrhgrvhgrnhgrkhesghhoohhglhgvrdgtohhmpdhnmhesthhirdgtohhmpdhsshgrnhhtohhshheskhgvrhhnvghlrdhorhhgpdhmrghthhhirghsrdhnhihmrghnsehinhhtvghlrdgtohhmpdhgrhgvghhkhheslhhinhhugihfohhunhgurghtihhonhdrohhrghdpthhhihgvrhhrhidrrhgvughinhhgsehgmhgrihhlrdgtohhmpdhjohhnrghthhgrnhhhsehnvhhiughirgdrtghomhdplhhinhhugi dqrhgvnhgvshgrshdqshhotgesvhhgvghrrdhkvghrnhgvlhdrohhrghdplhhinhhugidqrghrmhdqkhgvrhhnvghlsehlihhsthhsrdhinhhfrhgruggvrggurdhorhhgpdhlihhnuhigqdhkvghrnhgvlhesvhhgvghrrdhkvghrnhgvlhdrohhrghdplhhinhhugihpphgtqdguvghvsehlihhsthhsrdhoiihlrggsshdrohhrghdplhhinhhugidqfihirhgvlhgvshhssehvghgvrhdrkhgvrhhnvghlrdhorhhgpdhlihhnuhigqdgrtghtihhonhhssehlihhsthhsrdhinhhfrhgruggvrggurdhorhhgpdhlihhnuhigqdhrihhstghvsehlihhsthhsrdhinhhfrhgruggvrggurdhorhhgpdhlihhnuhigqdhsuhhngihisehlihhsthhsrdhlihhnuhigrdguvghvpdguvghvihgtvghtrhgvvgesvhhgvghrrdhkvghrnhgvlhdrohhrghdplhhinhhugidqphgtihesvhhgvghrrdhkvghrnhgvlhdrohhrghdplhhinhhugidquhhssgesvhhgvghrrdhkvghrnhgvlhdrohhrghdpsghhvghlghgrrghssehgohhoghhlvgdrtghomhdpfhhrohifrghnugdrlhhishhtsehgmhgrihhlrdgtohhmpdhrohgshhdoughtsehkvghrnhgvlhdrohhrghdpshgrmhhuvghlsehshhholhhlrghnugdrohhrghdptghlvghmvghnthdrlhgvghgvrhessghoohhtlhhinhdrtghomhdpghgvvghrthdorhgvnhgvshgrshesghhlihguvghrrdgsvgdpmhgrghhnuhhsrdgurghmmhesghhmrghilhdrtghomhdplhhinhhugiesrghrmhhlihhnuhigrdh orhhgrdhukhdpmhhpvgesvghllhgvrhhmrghnrdhiugdrrghupdhnphhighhgihhnsehgmhgrihhlrdgtohhmpdgthhhrihhsthhophhhvgdrlhgvrhhohiestghsghhrohhuphdrvghupdiirghjvggtheesghhmrghilhdrtghomhdplhhinhhugidqthgvghhrrgesvhhgvghrrdhkvghrnhgvlhdrohhrghdpuggrnhhivghlrdhlvgiitggrnhhosehlihhnrghrohdrohhrghdptghlrghuughiuhdrsggviihnvggrsehmihgtrhhotghhihhprdgtohhmpdhmrgiisehkvghrnhgvlhdrohhrghdprghfrggvrhgsvghrsehsuhhsvgdruggvpdhmrghniheskhgvrhhnvghlrdhorhhgpdhprghlmhgvrhesuggrsggsvghlthdrtghomhdpphgruhhlrdifrghlmhhslhgvhiesshhifhhivhgvrdgtohhmpdifvghnshestghsihgvrdhorhhgpdhjvghrnhgvjhdrshhkrhgrsggvtgesghhmrghilhdrtghomhdpthhglhigsehlihhnuhhtrhhonhhigidruggvpdfovfetjfhoshhtpehmohehvdekpdhmohguvgepshhmthhpohhuth X-Mailman-Approved-At: Thu, 02 Mar 2023 15:09:14 +1100 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Jean-Jacques Hiblot , linux-actions@lists.infradead.org, linux-usb@vger.kernel.org, linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-pci@vger.kernel.org, linux-tegra@vger.kernel.org, linux-riscv@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, linux-sunxi@lists.linux.dev, linux-arm-kernel@lists.infradead.org Errors-To: linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" When of_parse_phandle_with_args() succeeds, a get() is performed on out_irq->np. And another get() is performed in of_irq_parse_raw(), resulting in the refcount being incremented twice. Fixing this by calling put() after of_irq_parse_raw(). Signed-off-by: Jean-Jacques Hiblot --- drivers/of/irq.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/of/irq.c b/drivers/of/irq.c index 95da943fcf075..244f240bc4ac4 100644 --- a/drivers/of/irq.c +++ b/drivers/of/irq.c @@ -349,8 +349,12 @@ int of_irq_parse_one(struct device_node *device, int index, struct of_phandle_ar /* Try the new-style interrupts-extended first */ res = of_parse_phandle_with_args(device, "interrupts-extended", "#interrupt-cells", index, out_irq); - if (!res) - return of_irq_parse_raw(addr, out_irq); + if (!res) { + p = out_irq->np; + res = of_irq_parse_raw(addr, out_irq); + of_node_put(p); + return res; + } /* Look for the interrupt parent. */ p = of_irq_find_parent(device);