This is a note to let you know that I've just added the patch titled
irqchip/wpcm450: Fix memory leak in wpcm450_aic_of_init()
to the 5.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
irqchip-wpcm450-fix-memory-leak-in-wpcm450_aic_of_in.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 83381add4be74e2ab6b95555e2d94ceb2d8cbcc0
Author: Wei Yongjun <weiyongjun1@xxxxxxxxxx>
Date: Tue Nov 15 09:25:32 2022 +0000
irqchip/wpcm450: Fix memory leak in wpcm450_aic_of_init()
[ 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>
diff --git a/drivers/irqchip/irq-wpcm450-aic.c b/drivers/irqchip/irq-wpcm450-aic.c
index f3ac392d5bc8..36d0d0cf3fa2 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;
}
