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: usb: gadget: ffs: Fix BUG when userland exits with submitted AIO transfers From: Vincent Pelletier Message-Id: <20180925124612.1d7f5ae3@gmail.com> Date: Tue, 25 Sep 2018 12:46:12 +0000 To: "He, Bo" Cc: Felipe Balbi , Alan Stern , Roger Quadros , Lars-Peter Clausen , Sam Protsenko , "linux-usb@vger.kernel.org" , Praneeth Bajjuri , "Bai, Jie A" List-ID: SGVsbG8sCgpPbiBUaHUsIDIgQXVnIDIwMTggMTQ6MjM6NTEgKzAwMDAsIFZpbmNlbnQgUGVsbGV0 aWVyCjxwbHIudmluY2VudEBnbWFpbC5jb20+IHdyb3RlOgo+IE9uIFRodSwgMiBBdWcgMjAxOCAw MDo0NToxNCArMDAwMCwgIkhlLCBCbyIgPGJvLmhlQGludGVsLmNvbT4gd3JvdGU6Cj4gPiBZb3Vy IHBhdGNoIGZpeCB0aGUgaXNzdWUgQlVHOiBzY2hlZHVsaW5nIHdoaWxlIGF0b21pYzogIAo+IAo+ IFllcywgYWx0aG91Z2ggZnJvbSBteSB1bmRlcnN0YW5kaW5nIG9mIEZlbGlwZSdzIGFuc3dlciwg dGhlIGFjdHVhbCBidWcKPiBpcyB0aGUgInNjaGVkdWxpbmciIHBhcnQgKHNsZWVwaW5nIGluIGR3 YzMgVURDKSByYXRoZXIgdGhhbiB0aGUKPiAiYXRvbWljIiBwYXJ0Lgo+IAo+IFNvIG15IHBhdGNo IGFkZHJlc3Nlcywgc3RpbGwgaWYgbXkgdW5kZXJzdGFuZGluZyBpcyBjb3JyZWN0LCB0aGUgd3Jv bmcKPiBoYWxmIG9mIHRoZSBwcm9ibGVtLCBhbmQgZXZlbiBpbnRyb2R1Y2VkIHRoZSByZWdyZXNz aW9uIHlvdSBpZGVudGlmaWVkLgo+IEhlbmNlIG15IHVuY2VydGFpbnR5Li4uCgpJIG5vdGljZSB0 aGF0IG5laXRoZXIgSGUncyBwYXRjaCwgbm9yIGEgZHdjMyBjaGFuZ2UgdG8gcHJldmVudCBpdCBm cm9tCnNjaGVkdWxpbmcgaW5zaWRlIHVzYl9lcF9kZXF1ZXVlIGFyZSBpbiBMaW51cycgbWFzdGVy LiBQbGVhc2UgY29ycmVjdAptZSBpZiBJIG1pc3NlZCBzb21ldGhpbmcuCgpKdXN0IGluIGNhc2Ug bXkgcHJldmlvdXMgZW1haWxzIHdlcmUgbm90IGNsZWFyOgotIEkgaGF2ZSBubyBvYmplY3Rpb24g dG8gSGUncyBwYXRjaCBvbiBpdHMgb3duIChhbmQgSSBkbyBub3Qga25vdyB0aGUKICBjb2RlIG5l YXJseSBlbm91Z2ggdG8gcHJvdmlkZSBhIG1lYW5pbmdmdWwgcmV2aWV3ZWQtYnkpLgotIEkgZG8g bm90IGludGVuZCB0byB3b3JrIG9uIG1ha2luZyBjaGFuZ2VzIHRvIGR3YzMgZ2FkZ2V0IHRvIHN0 b3AgaXQKICBmcm9tIHNjaGVkdWxpbmcgaW4gdXNiX2VwX2RlcXVldWUgaW4gdGhlIGZvcmVzZWVh YmxlIGZ1dHVyZS4KClNvIGlmIHRoZXJlIGlzIG5vIG9uZ29pbmcgd29yayBvbiBkd2MzIGNhbmNl bCBiZWhhdmlvdXIgKEZlbGlwZSA/KSwKcGxlYXNlIGRvIHJlc3VtZS9jYXJyeSBvbiB3aXRoIHJl dmlld2luZyBhbmQgaW50ZWdyYXRpbmcgSGUncyBwYXRjaC4KCkl0IGlzIG9ubHkgKmlmKiBkd2Mz IGNhbmNlbCBzdG9wcyBzY2hlZHVsaW5nIHRoYXQgSSBiZWxpZXZlIG15IHBhdGNoCnNob3VsZCBi ZSByZXZlcnRlZCAoaGVyZSBpcyB0aGUgaGFzaCBhcyBvZiBMaW51cycgbWFzdGVyKToKICBjb21t aXQgZDUyZTRkMGMwYzQyOGJmMmJhMzUwNzRhNzQ5NWNkYjI4ZTJlZmJhZQogIEF1dGhvcjogVmlu Y2VudCBQZWxsZXRpZXIgPHBsci52aW5jZW50QGdtYWlsLmNvbT4KICBEYXRlOiAgIFdlZCBKdW4g MTMgMTE6MDU6MDYgMjAxOCArMDAwMAoKICAgICAgdXNiOiBnYWRnZXQ6IGZmczogRml4IEJVRyB3 aGVuIHVzZXJsYW5kIGV4aXRzIHdpdGggc3VibWl0dGVkIEFJTyB0cmFuc2ZlcnMKCiAgICAgIFRo aXMgYnVnIGhhcHBlbnMgb25seSB3aGVuIHRoZSBVREMgbmVlZHMgdG8gc2xlZXAgZHVyaW5nIHVz Yl9lcF9kZXF1ZXVlLAogICAgICBhcyBpcyB0aGUgY2FzZSBmb3IgKGF0IGxlYXN0KSBkd2MzLgph bmQsIGluIG15IHVuZGVyc3RhbmRpbmcsIGEgY29uc2VxdWVuY2UgaXMgdGhhdCBIZSdzIGZpeCB3 b3VsZCBub3QKYmUgbmVlZGVkIGFueW1vcmUgLSB0aGUgYnVnIG15IHBhdGNoIGludHJvZHVjZWQg ZGlzYXBwZWFyaW5nIGluIHRoZQpyZXZlcnQuCgpSZWdhcmRzLAo=