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From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: "Souptick Joarder (HPE)" <jrdr.linux@gmail.com>,
	kernel test robot <lkp@intel.com>,
	Dan Carpenter <dan.carpenter@oracle.com>,
	Marc Zyngier <maz@kernel.org>, Sasha Levin <sashal@kernel.org>,
	tglx@linutronix.de
Subject: [PATCH AUTOSEL 5.4 09/16] irqchip/nvic: Release nvic_base upon failure
Date: Mon, 28 Mar 2022 07:23:38 -0400	[thread overview]
Message-ID: <20220328112345.1556601-9-sashal@kernel.org> (raw)
In-Reply-To: <20220328112345.1556601-1-sashal@kernel.org>

From: "Souptick Joarder (HPE)" <jrdr.linux@gmail.com>

[ Upstream commit e414c25e3399b2b3d7337dc47abccab5c71b7c8f ]

smatch warning was reported as below ->

smatch warnings:
drivers/irqchip/irq-nvic.c:131 nvic_of_init()
warn: 'nvic_base' not released on lines: 97.

Release nvic_base upon failure.

Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Souptick Joarder (HPE) <jrdr.linux@gmail.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220218163303.33344-1-jrdr.linux@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/irqchip/irq-nvic.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/irqchip/irq-nvic.c b/drivers/irqchip/irq-nvic.c
index 160b39b5cd10..128a26d219e2 100644
--- a/drivers/irqchip/irq-nvic.c
+++ b/drivers/irqchip/irq-nvic.c
@@ -105,6 +105,7 @@ static int __init nvic_of_init(struct device_node *node,
 
 	if (!nvic_irq_domain) {
 		pr_warn("Failed to allocate irq domain\n");
+		iounmap(nvic_base);
 		return -ENOMEM;
 	}
 
@@ -114,6 +115,7 @@ static int __init nvic_of_init(struct device_node *node,
 	if (ret) {
 		pr_warn("Failed to allocate irq chips\n");
 		irq_domain_remove(nvic_irq_domain);
+		iounmap(nvic_base);
 		return ret;
 	}
 
-- 
2.34.1


  parent reply	other threads:[~2022-03-28 11:28 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-03-28 11:23 [PATCH AUTOSEL 5.4 01/16] LSM: general protection fault in legacy_parse_param Sasha Levin
2022-03-28 11:23 ` [PATCH AUTOSEL 5.4 02/16] gcc-plugins/stackleak: Exactly match strings instead of prefixes Sasha Levin
2022-03-28 11:23 ` [PATCH AUTOSEL 5.4 03/16] pinctrl: npcm: Fix broken references to chip->parent_device Sasha Levin
2022-03-28 11:23 ` [PATCH AUTOSEL 5.4 04/16] block, bfq: don't move oom_bfqq Sasha Levin
2022-03-28 11:23 ` [PATCH AUTOSEL 5.4 05/16] selinux: use correct type for context length Sasha Levin
2022-03-28 11:23 ` [PATCH AUTOSEL 5.4 06/16] loop: use sysfs_emit() in the sysfs xxx show() Sasha Levin
2022-03-28 11:23 ` [PATCH AUTOSEL 5.4 07/16] Fix incorrect type in assignment of ipv6 port for audit Sasha Levin
2022-03-28 11:23 ` [PATCH AUTOSEL 5.4 08/16] irqchip/qcom-pdc: Fix broken locking Sasha Levin
2022-03-28 11:23 ` Sasha Levin [this message]
2022-03-28 11:23 ` [PATCH AUTOSEL 5.4 10/16] bfq: fix use-after-free in bfq_dispatch_request Sasha Levin
2022-03-28 11:23 ` [PATCH AUTOSEL 5.4 11/16] ACPICA: Avoid walking the ACPI Namespace if it is not there Sasha Levin
2022-03-28 11:23 ` [PATCH AUTOSEL 5.4 12/16] lib/raid6/test/Makefile: Use $(pound) instead of \# for Make 4.3 Sasha Levin
2022-03-28 11:23 ` [PATCH AUTOSEL 5.4 13/16] Revert "Revert "block, bfq: honor already-setup queue merges"" Sasha Levin
2022-03-28 11:23 ` [PATCH AUTOSEL 5.4 14/16] ACPI/APEI: Limit printable size of BERT table data Sasha Levin
2022-03-28 11:23 ` [PATCH AUTOSEL 5.4 15/16] PM: core: keep irq flags in device_pm_check_callbacks() Sasha Levin
2022-03-28 11:23 ` [PATCH AUTOSEL 5.4 16/16] spi: tegra20: Use of_device_get_match_data() Sasha Levin

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