linux-kernel - [PATCH] thermal: core: add the misse nlmsg_free() for thermal_genl_sampling

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Message-ID: <20200929082652.59876-1-jingxiangfeng@huawei.com>
Date:   Tue, 29 Sep 2020 16:26:52 +0800
From:   Jing Xiangfeng <jingxiangfeng@...wei.com>
To:     <rui.zhang@...el.com>, <daniel.lezcano@...aro.org>,
        <amitk@...nel.org>
CC:     <linux-pm@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <jingxiangfeng@...wei.com>
Subject: [PATCH] thermal: core: add the misse nlmsg_free() for thermal_genl_sampling_temp()

thermal_genl_sampling_temp() misses to call nlmsg_free() in an error path.
Jump to out_free to fix it.

Signed-off-by: Jing Xiangfeng <jingxiangfeng@...wei.com>
---
 drivers/thermal/thermal_netlink.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/thermal/thermal_netlink.c b/drivers/thermal/thermal_netlink.c
index af7b2383e8f6..019f4812def6 100644
--- a/drivers/thermal/thermal_netlink.c
+++ b/drivers/thermal/thermal_netlink.c
@@ -78,7 +78,7 @@ int thermal_genl_sampling_temp(int id, int temp)
 	hdr = genlmsg_put(skb, 0, 0, &thermal_gnl_family, 0,
 			  THERMAL_GENL_SAMPLING_TEMP);
 	if (!hdr)
-		return -EMSGSIZE;
+		goto out_free;
 
 	if (nla_put_u32(skb, THERMAL_GENL_ATTR_TZ_ID, id))
 		goto out_cancel;
@@ -93,6 +93,7 @@ int thermal_genl_sampling_temp(int id, int temp)
 	return 0;
 out_cancel:
 	genlmsg_cancel(skb, hdr);
+out_free:
 	nlmsg_free(skb);
 
 	return -EMSGSIZE;
-- 
2.26.0.106.g9fadedd