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: Fix memory issue in non-DMA mode for MUSB gadget From: Bin Liu Message-Id: <20180803120655.GF31129@uda0271908> Date: Fri, 3 Aug 2018 07:06:55 -0500 To: Alexey Spirkov Cc: Greg Kroah-Hartman , "linux-usb@vger.kernel.org" , "andrew@ncrmnt.org" List-ID: SGksCgpQbGVhc2UgZG9uJ3QgdG9wLXBvc3RpbmcuCgpPbiBGcmksIEF1ZyAwMywgMjAxOCBhdCAw NjoyNTo1MEFNICswMDAwLCBBbGV4ZXkgU3BpcmtvdiB3cm90ZToKPiBIaSwgQmluLAo+IAo+IFRo YW5rcyBmb3Igbm90ZSwgYnV0IHdoYXQgZG8geW91IHRoaW5rIC0gaXMgJ2RtYV9tYXBwaW5nX2Vy cm9yJwo+IGNoZWNraW5nIHN0aWxsIG5lZWRlZCBiZWZvcmUgY2FsbCBvZiB1bm1hcF9kbWFfYnVm ZmVyPyBJZiB5ZXMgdGhhbgo+IEknbGwgY2hlY2sgRE1BIHVzYWdlIGluIHRoaXMgY2hlY2sgaW5z dGVhZCBvZiBpc19idWZmZXJfbWFwLgoKTm8sIHVubWFwX2RtYV9idWZmZXIoKSBjYW4gYmUgY2Fs bGVkIHVuY29uZGl0aW9uYWxseSBoZXJlIGJlY2F1c2UKdW5tYXBfZG1hX2J1ZmZlcigpIGFscmVh ZHkgY2FsbHMgaXNfYnVmZmVyX21hcHBlZCgpIGludGVybmFsbHkuCgpTbyBteSBjb21tZW50IGJl bG93IGlzIHRvIHJlbW92ZSB0aGUgJ2lmJyBjb25kaXRpb24gY2hlY2sgeW91IG1vZGlmaWVkLgoK UmVnYXJkcywKLUJpbi4KCj4gCj4gQmVzdCByZWdhcmRzLAo+IEFsZXhleSBTcGlya292Cj4gCj4g LS0tLS1PcmlnaW5hbCBNZXNzYWdlLS0tLS0KPiBGcm9tOiBCaW4gTGl1IDxiLWxpdUB0aS5jb20+ IAo+IFNlbnQ6IFRodXJzZGF5LCBBdWd1c3QgMiwgMjAxOCA3OjE1IFBNCj4gVG86IEFsZXhleSBT cGlya292IDxBbGV4ZWlTQGFzdHJvc29mdC5ydT4KPiBDYzogR3JlZyBLcm9haC1IYXJ0bWFuIDxn cmVna2hAbGludXhmb3VuZGF0aW9uLm9yZz47IGxpbnV4LXVzYkB2Z2VyLmtlcm5lbC5vcmc7IGFu ZHJld0BuY3JtbnQub3JnCj4gU3ViamVjdDogUmU6IFtQQVRDSF0gRml4IG1lbW9yeSBpc3N1ZSBp biBub24tRE1BIG1vZGUgZm9yIE1VU0IgZ2FkZ2V0Cj4gCj4gSGksCj4gCj4gT24gVGh1LCBKdWwg MjYsIDIwMTggYXQgMTI6NTI6NTdQTSArMDAwMCwgQWxleGV5IFNwaXJrb3Ygd3JvdGU6Cj4gPiBk bWFfbWFwcGluZ19lcnJvciBmdW5jdGlvbiB1bmFibGUgdG8gd29ya3MgaW4gUG93ZXJQQyBhcmNo IHdoZW4gTVVTQiAKPiA+IGRvIG5vdCB1c2UgRE1BIChpbGxlZ2FsIG1lbW9yeSBhY2Nlc3MpLiBQ cm9wb3NlZCBwYXRjaCByZXBsYWNlIGl0cyAKPiA+IHVzYWdlIHRvIHVzdWFsIGRlZmluZSBmb3Ig Y2hlY2tpbmcgRE1BIG1hcHBpbmcuCj4gPiAKPiA+IFNpZ25lZC1vZmYtYnk6IEFsZXhleSBTcGly a292IDxhbGV4ZWlzQGFzdHJvc29mdC5ydT4KPiA+IC0tLQo+ID4gIGRyaXZlcnMvdXNiL211c2Iv bXVzYl9nYWRnZXQuYyB8IDIgKy0KPiA+ICAxIGZpbGUgY2hhbmdlZCwgMSBpbnNlcnRpb24oKyks IDEgZGVsZXRpb24oLSkKPiA+IAo+ID4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvdXNiL211c2IvbXVz Yl9nYWRnZXQuYyAKPiA+IGIvZHJpdmVycy91c2IvbXVzYi9tdXNiX2dhZGdldC5jIGluZGV4IGVh ZThiMWIuLjNiYzdjMjUgMTAwNjQ0Cj4gPiAtLS0gYS9kcml2ZXJzL3VzYi9tdXNiL211c2JfZ2Fk Z2V0LmMKPiA+ICsrKyBiL2RyaXZlcnMvdXNiL211c2IvbXVzYl9nYWRnZXQuYwo+ID4gQEAgLTE0 MCw3ICsxNDAsNyBAQCBfX2FjcXVpcmVzKGVwLT5tdXNiLT5sb2NrKQo+ID4gIAllcC0+YnVzeSA9 IDE7Cj4gPiAgCXNwaW5fdW5sb2NrKCZtdXNiLT5sb2NrKTsKPiA+ICAKPiA+IC0JaWYgKCFkbWFf bWFwcGluZ19lcnJvcigmbXVzYi0+Zy5kZXYsIHJlcXVlc3QtPmRtYSkpCj4gPiArCWlmIChyZXEg JiYgaXNfYnVmZmVyX21hcHBlZChyZXEpKQo+IAo+IHVubWFwX2RtYV9idWZmZXIoKSBjaGVja3Mg Zm9yIGlzX2J1ZmZlcl9tYXBwZWQoKSwgc28gdGhpcyBsaW5lIGNhbiBiZSBkcm9wcGVkLgo+IAo+ ID4gIAkJdW5tYXBfZG1hX2J1ZmZlcihyZXEsIG11c2IpOwo+ID4gIAo+ID4gIAl0cmFjZV9tdXNi X3JlcV9nYihyZXEpOwo+IAo+IFJlZ2FyZHMsCj4gLUJpbi4KLS0tClRvIHVuc3Vic2NyaWJlIGZy b20gdGhpcyBsaXN0OiBzZW5kIHRoZSBsaW5lICJ1bnN1YnNjcmliZSBsaW51eC11c2IiIGluCnRo ZSBib2R5IG9mIGEgbWVzc2FnZSB0byBtYWpvcmRvbW9Admdlci5rZXJuZWwub3JnCk1vcmUgbWFq b3Jkb21vIGluZm8gYXQgIGh0dHA6Ly92Z2VyLmtlcm5lbC5vcmcvbWFqb3Jkb21vLWluZm8uaHRt bAo=