From ea3e6aa3bac3317ba47e0a265675ff6c77751cde Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Fri, 11 Sep 2020 14:33:26 +0300
Subject: [PATCH] mfd: sm501: Fix leaks in probe()

[ Upstream commit 8ce24f8967df2836b4557a23e74dc4bb098249f1 ]

This code should clean up if sm501_init_dev() fails.

Fixes: b6d6454fdb66 ("[PATCH] mfd: SM501 core driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/mfd/sm501.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/mfd/sm501.c b/drivers/mfd/sm501.c
index 3270b8d..4ca2455 100644
--- a/drivers/mfd/sm501.c
+++ b/drivers/mfd/sm501.c
@@ -1425,8 +1425,14 @@ static int sm501_plat_probe(struct platform_device *dev)
 		goto err_claim;
 	}
 
-	return sm501_init_dev(sm);
+	ret = sm501_init_dev(sm);
+	if (ret)
+		goto err_unmap;
+
+	return 0;
 
+ err_unmap:
+	iounmap(sm->regs);
  err_claim:
 	release_resource(sm->regs_claim);
 	kfree(sm->regs_claim);
-- 
2.7.4