From: Yang Yingliang <yangyingliang@huawei.com>
Date: Thu, 5 Jan 2023 06:41:45 +0000 (+0800)
Subject: macintosh/macio-adb: add missing iounmap() on error in macio_init()
X-Git-Tag: v6.7-rc1~80^2~30
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=6db51ff905362e6c79593dbda08f61f24b25971c;p=thirdparty%2Fkernel%2Flinux.git

macintosh/macio-adb: add missing iounmap() on error in macio_init()

Add missing iounmap(), if request_irq() fails.

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230105064145.3879356-1-yangyingliang@huawei.com
---

diff --git a/drivers/macintosh/macio-adb.c b/drivers/macintosh/macio-adb.c
index 55a9f8c3a150e..779f1268286eb 100644
--- a/drivers/macintosh/macio-adb.c
+++ b/drivers/macintosh/macio-adb.c
@@ -123,6 +123,7 @@ int macio_init(void)
 	irq = irq_of_parse_and_map(adbs, 0);
 	of_node_put(adbs);
 	if (request_irq(irq, macio_adb_interrupt, 0, "ADB", (void *)0)) {
+		iounmap(adb);
 		printk(KERN_ERR "ADB: can't get irq %d\n", irq);
 		return -EAGAIN;
 	}