[PATCH AUTOSEL 5.10 041/217] mips: cm: add missing iounmap() on error in mips_cm_probe()

Sasha Levin
2020-12-23T02:18:49Z

From: Qinglang Miao <miaoqinglang@huawei.com>

[ Upstream commit 2673ecf9586551c5bcee499c1cc1949f6f7cc9a1 ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
arch/mips/kernel/mips-cm.c | 1 +
1 file changed, 1 insertion(+)

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;
}
--
2.27.0