linux-kernel - [PATCH] ARM: OMAP2+: add missing call to of_node

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Message-Id: <1614243290-47105-1-git-send-email-yang.lee@linux.alibaba.com>
Date:   Thu, 25 Feb 2021 16:54:50 +0800
From:   Yang Li <yang.lee@...ux.alibaba.com>
To:     bcousson@...libre.com
Cc:     paul@...an.com, tony@...mide.com, linux@...linux.org.uk,
        linux-omap@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, Yang Li <yang.lee@...ux.alibaba.com>
Subject: [PATCH] ARM: OMAP2+: add missing call to of_node_put()

In one of the error paths of the for_each_child_of_node() loop,
add missing call to of_node_put().

Fix the following coccicheck warning:
./arch/arm/mach-omap2/omap_hwmod.c:2132:1-23: WARNING: Function
"for_each_child_of_node" should have of_node_put() before return around
line 2140.

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@...ux.alibaba.com>
---
 arch/arm/mach-omap2/omap_hwmod.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index 2310cd5..007e91e 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -2137,6 +2137,7 @@ static int of_dev_hwmod_lookup(struct device_node *np,
 		if (res == 0) {
 			*found = fc;
 			*index = i;
+			of_node_put(np0);
 			return 0;
 		}
 	}
-- 
1.8.3.1