From: Wei Yongjun <weiyongjun1@xxxxxxxxxx>
[ Upstream commit 4208d4faf36573a507b5e5de17abe342e9276759 ]
If of_iomap() failed, 'aic' should be freed before return. Otherwise
there is a memory leak.
Fixes: fead4dd49663 ("irqchip: Add driver for WPCM450 interrupt controller")
Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx>
Reviewed-by: Jonathan Neuschäfer <j.neuschaefer@xxxxxxx>
Signed-off-by: Marc Zyngier <maz@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20221115092532.1704032-1-weiyongjun@xxxxxxxxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/irqchip/irq-wpcm450-aic.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/irqchip/irq-wpcm450-aic.c b/drivers/irqchip/irq-wpcm450-aic.c
index 0dcbeb1a05a1..91df62a64cd9 100644
--- a/drivers/irqchip/irq-wpcm450-aic.c
+++ b/drivers/irqchip/irq-wpcm450-aic.c
@@ -146,6 +146,7 @@ static int __init wpcm450_aic_of_init(struct device_node *node,
aic->regs = of_iomap(node, 0);
if (!aic->regs) {
pr_err("Failed to map WPCM450 AIC registers\n");
+ kfree(aic);
return -ENOMEM;
}
--
2.35.1
