From: Yang Yingliang <yangyingliang@huawei.com>
Date: Wed, 24 Aug 2022 09:36:57 +0000 (+0800)
Subject: parisc: ccio-dma: Add missing iounmap in error path in ccio_probe()
X-Git-Tag: v5.15.73~283
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=8fd27239ca92c9d18b495df826570e184eb9eb66;p=platform%2Fkernel%2Flinux-rpi.git

parisc: ccio-dma: Add missing iounmap in error path in ccio_probe()

[ Upstream commit 38238be4e881a5d0abbe4872b4cd6ed790be06c8 ]

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@huawei.com>
Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/drivers/parisc/ccio-dma.c b/drivers/parisc/ccio-dma.c
index f69ab90..6052f26 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;
 	}