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irqchip/wpcm450: Fix memory leak in wpcm450_aic_of_init()

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[ Upstream commit 4208d4faf36573a507b5e5de17abe342e9276759 ]

If of_iomap() failed, 'aic' should be freed before return. Otherwise
there is a memory leak.

Fixes: fead4dd496 ("irqchip: Add driver for WPCM450 interrupt controller")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Reviewed-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20221115092532.1704032-1-weiyongjun@huaweicloud.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Wei Yongjun
2022-11-15 09:25:32 +00:00
committed by Greg Kroah-Hartman
parent 77b99b483f
commit 740efb64ca
1 changed files with 1 additions and 0 deletions
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drivers/irqchip/irq-wpcm450-aic.c
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@@ -146,6 +146,7 @@ static int __init wpcm450_aic_of_init(struct device_node *node,
aic->regs = of_iomap(node, 0); aic->regs = of_iomap(node, 0);
if (!aic->regs) { if (!aic->regs) {
pr_err("Failed to map WPCM450 AIC registers\n"); pr_err("Failed to map WPCM450 AIC registers\n");
kfree(aic);
return -ENOMEM; return -ENOMEM;
} }