From mboxrd@z Thu Jan 1 00:00:00 1970 From: duoming@zju.edu.cn Subject: Re: [PATCH net] ax25: Fix ax25 session cleanup problem in ax25_release Date: Sat, 28 May 2022 21:29:20 +0800 (GMT+08:00) Message-ID: <20a99b3a.3a4c0.1810adb6a1a.Coremail.duoming@zju.edu.cn> References: <20220525112850.102363-1-duoming@zju.edu.cn> <0213B378-9CFF-456E-814E-B27A132CF8F3@osterried.de> <20220527173312.71122dbe@kernel.org> Mime-Version: 1.0 Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20220527173312.71122dbe@kernel.org> List-ID: Content-Type: text/plain; charset="us-ascii" To: Jakub Kicinski Cc: Thomas Osterried , "David S. Miller" , Paolo Abeni , linux-hams@vger.kernel.org SGVsbG8sCgpPbiBGcmksIDI3IE1heSAyMDIyIDEzOjI5OjMwICswMjAwIFRob21hcyBPc3RlcnJp ZWQgd3JvdGU6Cgo+ID4gPiBJIFRlc3RlZCBzZXZlcmFsIGNhc2VzOiB0aGlzIHBhdGNoIHdvcmtz IGFzIGV4cGVjdGVkLiAgCj4gPiBJZiB5b3UgYWdyZWUsIHRoYXQgbm8gY29uY3VycmVudCBwcm9j ZXNzIGlzIGFibGUgdG8gcmUtdXNlIHRoaXMgYXgyNV9jYiwKPiA+IGFuZCBiZWNhdXNlIGFsbCB0 aW1lcnMgYXJlIHN0b3BwZWVkLCB0aGUgY2xlYW51cCB3aXRoICBheDI1X2NiX2RlbChzKTsKPiA+ IHNob3VsZCBiZSBzYWZlLgo+ID4gCj4gPiAKPiA+IE15IHN1Y2Nlc3NmdWxsIHRlc3Qgd2FzIHRo aXM6Cj4gPiAKPiA+IGRpZmYgLS1naXQgYS9uZXQvYXgyNS9hZl9heDI1LmMgYi9uZXQvYXgyNS9h Zl9heDI1LmMKPiA+IGluZGV4IDM2M2Q0N2Y5NDUzMi4uZGU0MTdiOTc0YzA3IDEwMDY0NAo+ID4g LS0tIGEvbmV0L2F4MjUvYWZfYXgyNS5jCj4gPiArKysgYi9uZXQvYXgyNS9hZl9heDI1LmMKPiA+ IEBAIC05MSw2ICs5Miw3IEBAIHN0YXRpYyB2b2lkIGF4MjVfa2lsbF9ieV9kZXZpY2Uoc3RydWN0 IG5ldF9kZXZpY2UgKmRldikKPiA+ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgc3Bp bl91bmxvY2tfYmgoJmF4MjVfbGlzdF9sb2NrKTsKPiA+ICAgICAgICAgICAgICAgICAgICAgICAg ICAgICAgICAgYXgyNV9kaXNjb25uZWN0KHMsIEVORVRVTlJFQUNIKTsKPiA+ICAgICAgICAgICAg ICAgICAgICAgICAgICAgICAgICAgcy0+YXgyNV9kZXYgPSBOVUxMOwo+ID4gKyAgICAgICAgICAg ICAgICAgICAgICAgICAgICAgICBheDI1X2NiX2RlbChzKTsKPiA+ICAgICAgICAgICAgICAgICAg ICAgICAgICAgICAgICAgc3Bpbl9sb2NrX2JoKCZheDI1X2xpc3RfbG9jayk7Cj4gPiAgICAgICAg ICAgICAgICAgICAgICAgICAgICAgICAgIGdvdG8gYWdhaW47Cj4gPiAgICAgICAgICAgICAgICAg ICAgICAgICB9CgpUaGUgYWJvdmUgY29kZSBhbHNvIGV4aXN0cyBhIHJhY2UgY29uZGl0aW9uOgoK ICAgICAgKFRocmVhZCAxKSAgICAgICAgICAgICAgICAgICAgICB8ICAgICAgKFRocmVhZCAyKQph eDI1X2tpbGxfYnlfZGV2aWNlKCkgICAgICAgICAgICAgICAgIHwgYXgyNV9yY3YoKQogIC4uLiAg ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIHwgICAuLi4KICBpZiAoIXNrKSB7ICAgICAg ICAgICAgICAgICAgICAgICAgICB8ICAgICAKICAgIGF4MjVfY2JfZGVsKCkgICAgICAgICAgICAg ICAgICAgICB8ICAgYXgyNV9kZXN0cm95X3NvY2tldCgpCiAgICAgIGlmICghaGxpc3RfdW5oYXNo ZWQoLi4pKSAgICAgICAgfCAgICAgYXgyNV9jYl9kZWwoKQogICAgICAgIC4uLiAgICAgICAgICAg ICAgICAgICAgICAgICAgIHwgICAgICAgaWYgKCFobGlzdF91bmhhc2hlZCguLikpCiAgICAgICAg aGxpc3RfZGVsX2luaXQoKSAgICAgICAgICAgICAgfCAgICAgIAogICAgICAgIGF4MjVfY2JfcHV0 KGF4MjUpICAgICAgICAgICAgIHwgICAgICAgICAuLi4KICAgICAgICAgICAgICAgICAgICAgICAg ICAgICAgICAgICAgICB8ICAgICAgICAgYXgyNV9jYl9wdXQoYXgyNSkKICAgICAgICAgICAgICAg ICAgICAgICAgICAgICAgICAgICAgICB8ICAgICAgICAgLi4uCgpJZiB3ZSB1c2UgYXgyNV9jYl9k ZWwoKSB0byBkZWxldGUgYXgyNSBub2RlIGZyb20gdGhlIGhsaXN0LCB0aGUgYXgyNV9jYl9wdXQo KSBzaG91bGQgb25seSBiZQpjYWxsZWQgb25jZS4gQnV0IHRoZSBhYm92ZSBwaWN0dXJlIHNob3dz IHRoYXQgYXgyNV9jYl9wdXQoKSBpcyBjYWxsZWQgdHdpY2UgYW5kIHRoZSByZWZjb3VudApvZiB0 aGUgc2FtZSBheDI1X2NiIGlzIGRlY3JlYXNlZCB0d2ljZS4gQXMgYSByZXN1bHQsIGl0IHdpbGwg Y2F1c2UgInJlZmNvdW50X3Q6IHVuZGVyZmxvdyIuCgpUaGUgZm9sbG93aW5nIGlzIGEgc29sdXRp b24gdGhhdCBoYXMgYmVlbiB0ZXN0ZWQuCgpAQCAtNjIsMTIgKzYyLDEyIEBAIHN0YXRpYyB2b2lk IGF4MjVfZnJlZV9zb2NrKHN0cnVjdCBzb2NrICpzaykKICAqLwogc3RhdGljIHZvaWQgYXgyNV9j Yl9kZWwoYXgyNV9jYiAqYXgyNSkKIHsKKyAgICAgICBzcGluX2xvY2tfYmgoJmF4MjVfbGlzdF9s b2NrKTsKICAgICAgICBpZiAoIWhsaXN0X3VuaGFzaGVkKCZheDI1LT5heDI1X25vZGUpKSB7Ci0g ICAgICAgICAgICAgICBzcGluX2xvY2tfYmgoJmF4MjVfbGlzdF9sb2NrKTsKICAgICAgICAgICAg ICAgIGhsaXN0X2RlbF9pbml0KCZheDI1LT5heDI1X25vZGUpOwotICAgICAgICAgICAgICAgc3Bp bl91bmxvY2tfYmgoJmF4MjVfbGlzdF9sb2NrKTsKICAgICAgICAgICAgICAgIGF4MjVfY2JfcHV0 KGF4MjUpOwogICAgICAgIH0KKyAgICAgICBzcGluX3VubG9ja19iaCgmYXgyNV9saXN0X2xvY2sp OwogfQoKQmVzdCByZWdhcmRzLApEdW9taW5nIFpob3UK