From: Qinglang Miao <miaoqinglang@huawei.com>
Date: Wed, 28 Oct 2020 09:15:46 +0000 (+0800)
Subject: mips: cm: add missing iounmap() on error in mips_cm_probe()
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=2673ecf9586551c5bcee499c1cc1949f6f7cc9a1;p=linux.git

mips: cm: add missing iounmap() on error in mips_cm_probe()

Add the missing iounmap() of iounmap(mips_gcr_base) before
return from mips_cm_probe() in the error handling case.

Signed-off-by: Qinglang Miao <miaoqinglang@huawei.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
---

diff --git a/arch/mips/kernel/mips-cm.c b/arch/mips/kernel/mips-cm.c
index f60af512c8773..90f1c3df1f0e4 100644
--- a/arch/mips/kernel/mips-cm.c
+++ b/arch/mips/kernel/mips-cm.c
@@ -266,6 +266,7 @@ int mips_cm_probe(void)
 	if ((base_reg & CM_GCR_BASE_GCRBASE) != addr) {
 		pr_err("GCRs appear to have been moved (expected them at 0x%08lx)!\n",
 		       (unsigned long)addr);
+		iounmap(mips_gcr_base);
 		mips_gcr_base = NULL;
 		return -ENODEV;
 	}