From: Nishka Dasgupta <nishkadg.linux@gmail.com>
To: linux-kernel@vger.kernel.org
Cc: Nishka Dasgupta <nishkadg.linux@gmail.com>
Subject: [PATCH] bus: arm-cci: Add of_node_put() before break
Date: Thu, 15 Aug 2019 11:31:27 +0530 [thread overview]
Message-ID: <20190815060127.2400-1-nishkadg.linux@gmail.com> (raw)
Each iteration of for_each_child_of_node puts the previous node, but
in the case of a break from the middle of the loop, there is no put,
thus causing a memory leak. Add an of_node_put before the break.
Issue found with Coccinelle.
Signed-off-by: Nishka Dasgupta <nishkadg.linux@gmail.com>
---
drivers/bus/arm-cci.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/bus/arm-cci.c b/drivers/bus/arm-cci.c
index b8184a903583..1f84a5528073 100644
--- a/drivers/bus/arm-cci.c
+++ b/drivers/bus/arm-cci.c
@@ -461,8 +461,10 @@ static int cci_probe_ports(struct device_node *np)
i = nb_ace + nb_ace_lite;
- if (i >= nb_cci_ports)
+ if (i >= nb_cci_ports) {
+ of_node_put(cp);
break;
+ }
if (of_property_read_string(cp, "interface-type",
&match_str)) {
--
2.19.1
reply other threads:[~2019-08-15 6:01 UTC|newest]
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