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irqchip/nvic: Release nvic_base upon failure

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[ 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>
This commit is contained in:
Souptick Joarder (HPE) 2022-02-18 22:03:03 +05:30 committed by Greg Kroah-Hartman
parent 4bbd910de1
commit 9fc899ce5a
1 changed files with 2 additions and 0 deletions
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2
drivers/irqchip/irq-nvic.c
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@ -94,6 +94,7 @@ 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;
}
@ -103,6 +104,7 @@ 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;
}