linux-kernel - [PATCH net-next 5/5] mptcp: account memory allocation in mptcp_nl_cmd_add

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Message-Id: <20220906205545.1623193-6-matthieu.baerts@tessares.net>
Date:   Tue,  6 Sep 2022 22:55:43 +0200
From:   Matthieu Baerts <matthieu.baerts@...sares.net>
To:     Mat Martineau <mathew.j.martineau@...ux.intel.com>,
        Matthieu Baerts <matthieu.baerts@...sares.net>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>
Cc:     Thomas Haller <thaller@...hat.com>, netdev@...r.kernel.org,
        mptcp@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: [PATCH net-next 5/5] mptcp: account memory allocation in mptcp_nl_cmd_add_addr() to user

From: Thomas Haller <thaller@...hat.com>

Now that non-root users can configure MPTCP endpoints, account
the memory allocation to the user.

Signed-off-by: Thomas Haller <thaller@...hat.com>
Reviewed-by: Mat Martineau <mathew.j.martineau@...ux.intel.com>
Signed-off-by: Matthieu Baerts <matthieu.baerts@...sares.net>
---
 net/mptcp/pm_netlink.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c
index afc98adf2746..9813ed0fde9b 100644
--- a/net/mptcp/pm_netlink.c
+++ b/net/mptcp/pm_netlink.c
@@ -1327,7 +1327,7 @@ static int mptcp_nl_cmd_add_addr(struct sk_buff *skb, struct genl_info *info)
 		return -EINVAL;
 	}
 
-	entry = kmalloc(sizeof(*entry), GFP_KERNEL);
+	entry = kmalloc(sizeof(*entry), GFP_KERNEL_ACCOUNT);
 	if (!entry) {
 		GENL_SET_ERR_MSG(info, "can't allocate addr");
 		return -ENOMEM;
-- 
2.37.2