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: [1/2] usb: gadget: r8a66597: Fix two possible sleep-in-atomic-context bugs in init_controller() From: Robert Jarzmik Message-Id: <87a7rdlup1.fsf@belgarion.home> Date: Fri, 29 Jun 2018 13:04:58 +0200 To: Felipe Balbi Cc: Jia-Ju Bai , gregkh@linuxfoundation.org, nicolas.ferre@microchip.com, keescook@chromium.org, allen.lkml@gmail.com, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org List-ID: RmVsaXBlIEJhbGJpIDxiYWxiaUBrZXJuZWwub3JnPiB3cml0ZXM6Cgo+IEhpLAo+Cj4gUm9iZXJ0 IEphcnptaWsgPHJvYmVydC5qYXJ6bWlrQGZyZWUuZnI+IHdyaXRlczoKPj4+Pj4gVGhlIGRyaXZl ciBtYXkgc2xlZXAgd2l0aCBob2xkaW5nIGEgc3BpbmxvY2suCj4+Pj4+IFRoZSBmdW5jdGlvbiBj YWxsIHBhdGhzIChmcm9tIGJvdHRvbSB0byB0b3ApIGluIExpbnV4LTQuMTYuNyBhcmU6Cj4+Pj4+ Cj4+Pj4+IFtGVU5DXSBtc2xlZXAKPj4+Pj4gZHJpdmVycy91c2IvZ2FkZ2V0L3VkYy9yOGE2NjU5 Ny11ZGMuYywgODM5OiAKPj4+Pj4gCQltc2xlZXAgaW4gaW5pdF9jb250cm9sbGVyCj4+Pj4+IGRy aXZlcnMvdXNiL2dhZGdldC91ZGMvcjhhNjY1OTctdWRjLmMsIDk2OiAKPj4+Pj4gCQlpbml0X2Nv bnRyb2xsZXIgaW4gcjhhNjY1OTdfdXNiX2Rpc2Nvbm5lY3QKPj4+Pj4gZHJpdmVycy91c2IvZ2Fk Z2V0L3VkYy9yOGE2NjU5Ny11ZGMuYywgOTM6IAo+Pj4+PiAJCXNwaW5fbG9jayBpbiByOGE2NjU5 N191c2JfZGlzY29ubmVjdAo+Pj4+Cj4+Pj4gVGhhdCBzaG91bGQgbm90IGhhcHBlbi4uLgo+Pj4+ Cj4+Pj4gSWYgdGhpbmsgdGhlIGlzc3VlIHlvdSBoYXZlIGlzIHRoYXQgeW91ciB1c2JfY29ubmVj dCgpIGFuZCB1c2JfZGlzY29ubmVjdCgpIGFyZQo+Pj4+IGNhbGxlZCBmcm9tIGludGVycnVwdCBj b250ZXh0LiBJIHRoaW5rIHRoZSBwcm9wZXIgZml4LCBhcyB3aGF0IGlzIGRvbmUgaW4gbW9zdAo+ Pj4+IHVkYyBwaHlzLCBpcyB0byBzY2hlZHVsZSBhIHdvcmtxdWV1ZSwgc2VlIGRyaXZlcnMvdXNi L3BoeS9waHktZ3Bpby12YnVzLXVzYi5jLAo+Pj4+IGdwaW9fdmJ1c19kYXRhLnZidXMuCj4+Pgo+ Pj4gYXJnaCwgbm8uIE5vIHdvcmtxdWV1ZXMgbmVlZGVkIGhlcmUuIFNvcnJ5Cj4+IFRlY2huaWNh bGx5IHdoeSA/Cj4KPiB3ZWxsLCBzdHJpY3RseSB0ZWNobmljYWxseSB0aGVyZSdzIG5vdGhpbmcg d3JvbmcuIEJ1dCBpdCBvcGVucyBhIGNhbiBvZgo+IHdvcm1zLiBXZSd2ZSBzZWVuIHRpbWUgYW5k IHRpbWUgYWdhaW4gZHJpdmVycyBncm93aW5nIGludG8KPiB1bm1haW50YWluYWJsZSBtZXNzIGJl Y2F1c2Ugb2Ygd29ya3F1ZXVlcyBiZWluZyBmaXJlZCBpbiBzZXZlcmFsIHBsYWNlcy4KSSBzZWUu Cgo+Pgo+PiBBbmQgYXMgYm9udXMgcXVlc3Rpb24sIHdoeSBpcyBpdCBiZXR0ZXIgdG8gaGF2ZSBt ZGVsYXkoKSBjYWxscyBpbiB0aGUgZHJpdmVyID8KPgo+IEFzIGEgYnVnZml4LCBpdCdzIHRoZSBz bWFsbGVzdCBmaXggcG9zc2libGUsIHJpZ2h0PyBJZGVhbGx5LCB3ZSB3b3VsZG4ndAo+IG5lZWQg ZWl0aGVyIG9mIHRoZW0uIFBlcmhhcHMgdGhlcmUncyBhIGJpdCB3aGljaCBjYW4gYmUgcG9sbGVk IGluc3RlYWQ/CklkZWFsbHkgeWVzLiBEbyB5b3UgcmVtZW1iZXIgaWYgYSAidGhyZWFkZWQgaW50 ZXJydXB0IiBtaWdodCB1c2UgbXNsZWVwKCkgPyBJCnNlZW0gdG8gcmVtZW1iZXIgdGhhdCB0aGV5 IGNhbiwgc28gd29uJ3QgdGhhdCBiZSBhbm90aGVyIGFsdGVybmF0aXZlID8KCkNoZWVycy4K