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/io_edgeport: Fix a possible sleep-in-atomic bug in edge_bulk_in_callback From: Johan Hovold Message-Id: <20171214100728.GF5185@localhost> Date: Thu, 14 Dec 2017 11:07:28 +0100 To: Jia-Ju Bai Cc: johan@kernel.org, gregkh@linuxfoundation.org, pberger@brimson.com, alborchers@steinerpoint.com, linux-usb@vger.kernel.org List-ID: T24gV2VkLCBEZWMgMTMsIDIwMTcgYXQgMDg6MzQ6MzZQTSArMDgwMCwgSmlhLUp1IEJhaSB3cm90 ZToKPiBBY2NvcmRpbmcgdG8gZHJpdmVycy91c2Ivc2VyaWFsL2lvX2VkZ2Vwb3J0LmMsIHRoZSBk cml2ZXIgbWF5IHNsZWVwIAo+IHVuZGVyIGEgc3BpbmxvY2suCj4gVGhlIGZ1bmN0aW9uIGNhbGwg cGF0aCBpczoKPiBlZGdlX2J1bGtfaW5fY2FsbGJhY2sgKGFjcXVpcmUgdGhlIHNwaW5sb2NrKQo+ ICAgIHByb2Nlc3NfcmN2ZF9kYXRhCj4gICAgICBwcm9jZXNzX3JjdmRfc3RhdHVzCj4gICAgICAg IGNoYW5nZV9wb3J0X3NldHRpbmdzCj4gICAgICAgICAgc2VuZF9pb3NwX2V4dF9jbWQKPiAgICAg ICAgICAgIHdyaXRlX2NtZF91c2IKPiAgICAgICAgICAgICAgdXNiX2tpbGxfdXJiIC0tPiBtYXkg c2xlZXAKPiAKPiBUbyBmaXggaXQsIHVzYl9raWxsX3VyYigpIGlzIHJlbW92ZWQgZnJvbSB0aGUg ZXJyb3IgcGF0aCBhZnRlciB1c2Jfc3VibWl0X3VyYigpIGZhaWxzLgoKSSBhZGRlZCBhICJ0aGUg cmVkdW5kYW50IiBiZWZvcmUgInVzYl9raWxsX3VyYigpIiBpbiB0aGUgYWJvdmUgc2VudGVuY2UK dG8gbWFrZSBpdCBtb3JlIGNsZWFyIHdoeSB0aGlzIHdhcyBkb25lLgoKPiBUaGlzIHBvc3NpYmxl IGJ1ZyBpcyBmb3VuZCBieSBteSBzdGF0aWMgYW5hbHlzaXMgdG9vbCAoRFNBQykgYW5kIGNoZWNr ZWQgYnkgbXkgY29kZSByZXZpZXcuCgpBbmQgbGluZS13cmFwcGVkIHlvdSBjb21taXQgbWVzc2Fn ZSAoYXQgYWJvdXQgNzIgY29sdW1ucykuCgpJIGFsc28gdXNlZCBhIGNvbW1vbiBwcmVmaXggYW5k IHNob3J0ZW5lZCB0aGUgc3VtbWFyeSB0bzoKCglVU0I6IHNlcmlhbDogaW9fZWRnZXBvcnQ6IGZp eCBwb3NzaWJsZSBzbGVlcC1pbi1hdG9taWMKCkp1c3Qgc29tZSBtaW5vciBuaXRzLCB0aGF0IHlv dSBjYW4ga2VlcCBpbiBtaW5kIGZvciB5b3VyIG5leHQgcGF0Y2gKc3VibWlzc2lvbi4KCj4gU2ln bmVkLW9mZi1ieTogSmlhLUp1IEJhaSA8YmFpamlhanUxOTkwQGdtYWlsLmNvbT4KClRoYW5rcyBm b3IgcmVwb3J0aW5nIGFuZCBmaXhpbmcgdGhpcy4gTm93IGFwcGxpZWQgZm9yIC1uZXh0LgoKSm9o YW4KLS0tClRvIHVuc3Vic2NyaWJlIGZyb20gdGhpcyBsaXN0OiBzZW5kIHRoZSBsaW5lICJ1bnN1 YnNjcmliZSBsaW51eC11c2IiIGluCnRoZSBib2R5IG9mIGEgbWVzc2FnZSB0byBtYWpvcmRvbW9A dmdlci5rZXJuZWwub3JnCk1vcmUgbWFqb3Jkb21vIGluZm8gYXQgIGh0dHA6Ly92Z2VyLmtlcm5l bC5vcmcvbWFqb3Jkb21vLWluZm8uaHRtbAo=