linux-kernel - [PATCH -next] parisc: ccio-dma: Add missing iounmap in error path in ccio

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Date:   Wed, 24 Aug 2022 17:36:57 +0800
From:   Yang Yingliang <yangyingliang@...wei.com>
To:     <linux-kernel@...r.kernel.org>, <linux-parisc@...r.kernel.org>
CC:     <liqiong@...china.com>, <deller@....de>
Subject: [PATCH -next] parisc: ccio-dma: Add missing iounmap in error path in ccio_probe()

Add missing iounmap() before return from ccio_probe(), if ccio_init_resources()
fails.

Fixes: d46c742f827f ("parisc: ccio-dma: Handle kmalloc failure in ccio_init_resources()")
Signed-off-by: Yang Yingliang <yangyingliang@...wei.com>
---
 drivers/parisc/ccio-dma.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/parisc/ccio-dma.c b/drivers/parisc/ccio-dma.c
index f223afe47d10..a66386043aa6 100644
--- a/drivers/parisc/ccio-dma.c
+++ b/drivers/parisc/ccio-dma.c
@@ -1546,6 +1546,7 @@ static int __init ccio_probe(struct parisc_device *dev)
 	}
 	ccio_ioc_init(ioc);
 	if (ccio_init_resources(ioc)) {
+		iounmap(ioc->ioc_regs);
 		kfree(ioc);
 		return -ENOMEM;
 	}
-- 
2.25.1