From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Subject: [2/4] usb: dwc3: gadget: check if dep->frame_number is still valid From: Felipe Balbi Message-Id: <878t4xtmtj.fsf@linux.intel.com> Date: Thu, 23 Aug 2018 13:11:04 +0300 To: Thinh Nguyen , "linux-usb@vger.kernel.org" Cc: "laurent.pinchart@ideasonboard.com" List-ID: SGksCgpUaGluaCBOZ3V5ZW4gPFRoaW5oLk5ndXllbkBzeW5vcHN5cy5jb20+IHdyaXRlczoKPiBP biA4LzIwLzIwMTggMzozNCBBTSwgRmVsaXBlIEJhbGJpIHdyb3RlOgo+PiBHYWRnZXQgZHJpdmVy IG1heSB0YWtlIGFuIHVuYm91bmRlZCBhbW91bnQgb2YgdGltZSB0byBxdWV1ZSByZXF1ZXN0cwo+ PiBhZnRlciBYZmVyTm90UmVhZHkuIFRoaXMgaXMgaW1wb3J0YW50IGZvciBpc29jaHJvbm91cyBl bmRwb2ludHMgd2hpY2gKPj4gbmVlZCB0byBiZSBzdGFydGVkIGZvciBhIHNwZWNpZmljIChtaWNy by0pZnJhbWUuCj4+Cj4+IEJlZm9yZSBraWNraW5nIHRoZSB0cmFuc2ZlciwgbGV0J3MgY2hlY2sg aWYgY3VycmVudCBmcmFtZSBudW1iZXIgaXMKPj4gc3RpbGwgbGVzcyB0aGFuIG91ciBhbGlnbmVk IGZyYW1lIG51bWJlciB0aGF0IHdlIGdvdCBmcm9tIHRoZQo+PiBwcmV2aW91cyBYZmVyTm90UmVh ZHkuIElmIGl0IGlzbid0LCB0aGVuIHdlJ2xsIGluY3JlbWVudAo+PiBkZXAtPmZyYW1lX251bWJl ciB0byBtYWtlIHN1cmUgaXQncyBhaGVhZCBvZiBjdXJyZW50IGZyYW1lIG51bWJlci4KPj4KPj4g U2lnbmVkLW9mZi1ieTogRmVsaXBlIEJhbGJpIDxmZWxpcGUuYmFsYmlAbGludXguaW50ZWwuY29t Pgo+PiAtLS0KPj4gIGRyaXZlcnMvdXNiL2R3YzMvY29yZS5oICAgfCAgMiArKwo+PiAgZHJpdmVy cy91c2IvZHdjMy9nYWRnZXQuYyB8IDExICsrKysrKysrKysrCj4+ICAyIGZpbGVzIGNoYW5nZWQs IDEzIGluc2VydGlvbnMoKykKPj4KPj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvdXNiL2R3YzMvY29y ZS5oIGIvZHJpdmVycy91c2IvZHdjMy9jb3JlLmgKPj4gaW5kZXggMjg1Y2UwZWYzYjkxLi4zYWNm ODc4OGE2ODAgMTAwNjQ0Cj4+IC0tLSBhL2RyaXZlcnMvdXNiL2R3YzMvY29yZS5oCj4+ICsrKyBi L2RyaXZlcnMvdXNiL2R3YzMvY29yZS5oCj4+IEBAIC02ODUsNiArNjg1LDggQEAgc3RydWN0IGR3 YzNfZXAgewo+PiAgCXU4CQkJdHlwZTsKPj4gIAl1OAkJCXJlc291cmNlX2luZGV4Owo+PiAgCXUz MgkJCWZyYW1lX251bWJlcjsKPj4gKyNkZWZpbmUgRFdDM19FUF9GUkFNRV9OVU1CRVJfTUFTSyAw eDNmZmYKPj4gKwo+PiAgCXUzMgkJCWludGVydmFsOwo+PiAgCj4+ICAJY2hhcgkJCW5hbWVbMjBd Owo+PiBkaWZmIC0tZ2l0IGEvZHJpdmVycy91c2IvZHdjMy9nYWRnZXQuYyBiL2RyaXZlcnMvdXNi L2R3YzMvZ2FkZ2V0LmMKPj4gaW5kZXggZjYxYTQyNTBjODgzLi4wYmFjOWIwMmYyOGIgMTAwNjQ0 Cj4+IC0tLSBhL2RyaXZlcnMvdXNiL2R3YzMvZ2FkZ2V0LmMKPj4gKysrIGIvZHJpdmVycy91c2Iv ZHdjMy9nYWRnZXQuYwo+PiBAQCAtMTI1Nyw2ICsxMjU3LDkgQEAgc3RhdGljIGludCBfX2R3YzNf Z2FkZ2V0X2dldF9mcmFtZShzdHJ1Y3QgZHdjMyAqZHdjKQo+PiAgCj4+ICBzdGF0aWMgaW50IF9f ZHdjM19nYWRnZXRfc3RhcnRfaXNvYyhzdHJ1Y3QgZHdjM19lcCAqZGVwKQo+PiAgewo+PiArCXUx NiBjdXJyZW50X2ZyYW1lX251bWJlcjsKPj4gKwl1MTYgZnJhbWVfbnVtYmVyOwo+PiArCj4+ICAJ aWYgKGxpc3RfZW1wdHkoJmRlcC0+cGVuZGluZ19saXN0KSkgewo+PiAgCQlkZXZfaW5mbyhkZXAt PmR3Yy0+ZGV2LCAiJXM6IHJhbiBvdXQgb2YgcmVxdWVzdHNcbiIsCj4+ICAJCQkJZGVwLT5uYW1l KTsKPj4gQEAgLTEyNjUsNiArMTI2OCwxNCBAQCBzdGF0aWMgaW50IF9fZHdjM19nYWRnZXRfc3Rh cnRfaXNvYyhzdHJ1Y3QgZHdjM19lcCAqZGVwKQo+PiAgCX0KPj4gIAo+PiAgCWRlcC0+ZnJhbWVf bnVtYmVyID0gRFdDM19BTElHTl9GUkFNRShkZXApOwo+PiArCWN1cnJlbnRfZnJhbWVfbnVtYmVy ID0gX19kd2MzX2dhZGdldF9nZXRfZnJhbWUoZGVwLT5kd2MpOwo+PiArCWZyYW1lX251bWJlciA9 IGRlcC0+ZnJhbWVfbnVtYmVyICYgRFdDM19FUF9GUkFNRV9OVU1CRVJfTUFTSzsKPj4gKwo+PiAr CWlmIChmcmFtZV9udW1iZXIgPD0gY3VycmVudF9mcmFtZV9udW1iZXIpIHsKPgo+IFRoaXMgaXMg bm90IHJpZ2h0LiBZb3UncmUgY29tcGFyaW5nICh3aGF0IHNob3VsZCBiZSBhIDE2LWJpdCBidXQg bWFza2VkKQo+IGZyYW1lX251bWJlciB0byBhIDE0LWJpdCBjdXJyZW50X2ZyYW1lX251bWJlci4K PiBJZiB0aGUgY3VycmVudCBmcmFtZSBudW1iZXIgaXMgMisgc2Vjb25kcyBhaGVhZCBvZiBkZXAt PmZyYW1lX251bWJlciwKPiB0aGVuIHRoaXMgY2FsY3VsYXRpb24gaXMgd3JvbmcuCgpBY2NvcmRp bmcgdG8gZG9jcywgdGhlIG51bWJlcnMgYXJlIHRoZSBzYW1lIGFuZCB0aGUgdG9wIDIgYml0cyBh cmUgdXNlZAppbnRlcm5hbGx5IGJ5IHRoZSBJUC4gSS5FLiB0aGV5J3JlIG5vdCBwYXJ0IG9mIHRo ZSBmcmFtZSBudW1iZXIuIFRoaXMgaXMKZGVzY3JpYmVkIGluIHRhYmxlIDYtNTEgb24gZGF0YWJv b2sgMi42MGEuCgpJbiBhbnkgY2FzZSwgdGhlcmUncyBubyBvdGhlciB3YXkgdG8gYWNjb3VudCBm b3IgdGhlIG92ZXJmbG93IHNpbmNlIHRoZQpIVyBkb2Vzbid0IGdpdmUgbWUgYWxsIHRoZSBiaXRz IEkgbmVlZCBpbiBEU1RTLiBBbnkgaWRlYXM/Cg==