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authorJeremy Kerr <jk@codeconstruct.com.au>2023-01-26 09:45:51 +0300
committerJakub Kicinski <kuba@kernel.org>2023-01-28 11:26:09 +0300
commit60bd1d9008a50cc78c4033a16a6f5d78210d481c (patch)
tree288300a5ff8f036e7c06077f5aab42087fb86c3b /net/mctp/af_mctp.c
parent422ae7d9c7221e8d4c8526d0f54106307d69d2dc (diff)
downloadlinux-60bd1d9008a50cc78c4033a16a6f5d78210d481c.tar.xz
net: mctp: purge receive queues on sk destruction
We may have pending skbs in the receive queue when the sk is being destroyed; add a destructor to purge the queue. MCTP doesn't use the error queue, so only the receive_queue is purged. Fixes: 833ef3b91de6 ("mctp: Populate socket implementation") Signed-off-by: Jeremy Kerr <jk@codeconstruct.com.au> Reviewed-by: Pavan Chebbi <pavan.chebbi@broadcom.com> Link: https://lore.kernel.org/r/20230126064551.464468-1-jk@codeconstruct.com.au Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/mctp/af_mctp.c')
-rw-r--r--net/mctp/af_mctp.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/net/mctp/af_mctp.c b/net/mctp/af_mctp.c
index 45bbe3e54cc2..3150f3f0c872 100644
--- a/net/mctp/af_mctp.c
+++ b/net/mctp/af_mctp.c
@@ -587,6 +587,11 @@ static void mctp_sk_unhash(struct sock *sk)
del_timer_sync(&msk->key_expiry);
}
+static void mctp_sk_destruct(struct sock *sk)
+{
+ skb_queue_purge(&sk->sk_receive_queue);
+}
+
static struct proto mctp_proto = {
.name = "MCTP",
.owner = THIS_MODULE,
@@ -623,6 +628,7 @@ static int mctp_pf_create(struct net *net, struct socket *sock,
return -ENOMEM;
sock_init_data(sock, sk);
+ sk->sk_destruct = mctp_sk_destruct;
rc = 0;
if (sk->sk_prot->init)