From 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 22 Oct 2024 10:36:11 +0000
Subject: [PATCH] 修改4g拨号为QMI,需要在系统里后台执行quectel-CM

---
 kernel/net/atm/svc.c |    9 +++++----
 1 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/kernel/net/atm/svc.c b/kernel/net/atm/svc.c
index 2f91b76..4a02bca 100644
--- a/kernel/net/atm/svc.c
+++ b/kernel/net/atm/svc.c
@@ -381,7 +381,7 @@
 				    msg->pvc.sap_addr.vpi,
 				    msg->pvc.sap_addr.vci);
 		dev_kfree_skb(skb);
-		sk->sk_ack_backlog--;
+		sk_acceptq_removed(sk);
 		if (error) {
 			sigd_enq2(NULL, as_reject, old_vcc, NULL, NULL,
 				  &old_vcc->qos, error);
@@ -451,7 +451,7 @@
 }
 
 static int svc_setsockopt(struct socket *sock, int level, int optname,
-			  char __user *optval, unsigned int optlen)
+			  sockptr_t optval, unsigned int optlen)
 {
 	struct sock *sk = sock->sk;
 	struct atm_vcc *vcc = ATM_SD(sock);
@@ -464,7 +464,7 @@
 			error = -EINVAL;
 			goto out;
 		}
-		if (copy_from_user(&vcc->sap, optval, optlen)) {
+		if (copy_from_sockptr(&vcc->sap, optval, optlen)) {
 			error = -EFAULT;
 			goto out;
 		}
@@ -475,7 +475,7 @@
 			error = -EINVAL;
 			goto out;
 		}
-		if (get_user(value, (int __user *)optval)) {
+		if (copy_from_sockptr(&value, optval, sizeof(int))) {
 			error = -EFAULT;
 			goto out;
 		}
@@ -641,6 +641,7 @@
 #ifdef CONFIG_COMPAT
 	.compat_ioctl =	svc_compat_ioctl,
 #endif
+	.gettstamp =	sock_gettstamp,
 	.listen =	svc_listen,
 	.shutdown =	svc_shutdown,
 	.setsockopt =	svc_setsockopt,

--
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