From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Fri, 13 Nov 2020 10:08:50 +0000 (+0300)
Subject: soc: aspeed: Fix a reference leak in aspeed_socinfo_init()
X-Git-Tag: microblaze-v5.12~93^2~12^2~1
X-Git-Url: http://git.monstr.eu/?a=commitdiff_plain;h=0f0c9c702241d839dbb1d355b77e5712a5a5793f;p=linux-2.6-microblaze.git

soc: aspeed: Fix a reference leak in aspeed_socinfo_init()

This needs to call of_node_put(np) before returning if of_iomap() fails.

Fixes: e0218dca5787 ("soc: aspeed: Add soc info driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
Link: https://lore.kernel.org/r/20201113100850.GA168908@mwanda
Signed-off-by: Joel Stanley <joel@jms.id.au>
---

diff --git a/drivers/soc/aspeed/aspeed-socinfo.c b/drivers/soc/aspeed/aspeed-socinfo.c
index 20a1d4aeb051..773930e0cb10 100644
--- a/drivers/soc/aspeed/aspeed-socinfo.c
+++ b/drivers/soc/aspeed/aspeed-socinfo.c
@@ -74,8 +74,10 @@ static int __init aspeed_socinfo_init(void)
 	}
 
 	reg = of_iomap(np, 0);
-	if (!reg)
+	if (!reg) {
+		of_node_put(np);
 		return -ENODEV;
+	}
 	siliconid = readl(reg);
 	iounmap(reg);