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: dwc2: use struct_size() in kzalloc() From: "Gustavo A. R. Silva" Message-Id: <20190218185937.GA16947@embeddedor> Date: Mon, 18 Feb 2019 12:59:37 -0600 To: Minas Harutyunyan , Greg Kroah-Hartman Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, "Gustavo A. R. Silva" List-ID: T25lIG9mIHRoZSBtb3JlIGNvbW1vbiBjYXNlcyBvZiBhbGxvY2F0aW9uIHNpemUgY2FsY3VsYXRp b25zIGlzIGZpbmRpbmcKdGhlIHNpemUgb2YgYSBzdHJ1Y3R1cmUgdGhhdCBoYXMgYSB6ZXJvLXNp emVkIGFycmF5IGF0IHRoZSBlbmQsIGFsb25nCndpdGggbWVtb3J5IGZvciBzb21lIG51bWJlciBv ZiBlbGVtZW50cyBmb3IgdGhhdCBhcnJheS4gRm9yIGV4YW1wbGU6CgpzdHJ1Y3QgZm9vIHsKICAg IGludCBzdHVmZjsKICAgIHN0cnVjdCBib28gZW50cnlbXTsKfTsKCnNpemUgPSBzaXplb2Yoc3Ry dWN0IGZvbykgKyBjb3VudCAqIHNpemVvZihzdHJ1Y3QgYm9vKTsKaW5zdGFuY2UgPSBremFsbG9j KHNpemUsIEdGUF9LRVJORUwpOwoKSW5zdGVhZCBvZiBsZWF2aW5nIHRoZXNlIG9wZW4tY29kZWQg YW5kIHByb25lIHRvIHR5cGUgbWlzdGFrZXMsIHdlIGNhbgpub3cgdXNlIHRoZSBuZXcgc3RydWN0 X3NpemUoKSBoZWxwZXI6CgppbnN0YW5jZSA9IGt6YWxsb2Moc3RydWN0X3NpemUoaW5zdGFuY2Us IGVudHJ5LCBjb3VudCksIEdGUF9LRVJORUwpOwoKTm90aWNlIHRoYXQsIGluIHRoaXMgY2FzZSwg dmFyaWFibGUgc2l6ZSBpcyBub3QgbmVjZXNzYXJ5LCBoZW5jZQppdCBpcyByZW1vdmVkLgoKVGhp cyBjb2RlIHdhcyBkZXRlY3RlZCB3aXRoIHRoZSBoZWxwIG9mIENvY2NpbmVsbGUuCgpTaWduZWQt b2ZmLWJ5OiBHdXN0YXZvIEEuIFIuIFNpbHZhIDxndXN0YXZvQGVtYmVkZGVkb3IuY29tPgotLS0K IGRyaXZlcnMvdXNiL2R3YzIvaGNkLmMgfCA0ICstLS0KIDEgZmlsZSBjaGFuZ2VkLCAxIGluc2Vy dGlvbigrKSwgMyBkZWxldGlvbnMoLSkKCmRpZmYgLS1naXQgYS9kcml2ZXJzL3VzYi9kd2MyL2hj ZC5jIGIvZHJpdmVycy91c2IvZHdjMi9oY2QuYwppbmRleCBkZDgyZmE1MTZmM2YuLjNmMDg3OTYy ZjQ5OCAxMDA2NDQKLS0tIGEvZHJpdmVycy91c2IvZHdjMi9oY2QuYworKysgYi9kcml2ZXJzL3Vz Yi9kd2MyL2hjZC5jCkBAIC0zOTgxLDEwICszOTgxLDggQEAgc3RhdGljIHN0cnVjdCBkd2MyX2hj ZF91cmIgKmR3YzJfaGNkX3VyYl9hbGxvYyhzdHJ1Y3QgZHdjMl9oc290ZyAqaHNvdGcsCiAJCQkJ CSAgICAgICBnZnBfdCBtZW1fZmxhZ3MpCiB7CiAJc3RydWN0IGR3YzJfaGNkX3VyYiAqdXJiOwot CXUzMiBzaXplID0gc2l6ZW9mKCp1cmIpICsgaXNvX2Rlc2NfY291bnQgKgotCQkgICBzaXplb2Yo c3RydWN0IGR3YzJfaGNkX2lzb19wYWNrZXRfZGVzYyk7CiAKLQl1cmIgPSBremFsbG9jKHNpemUs IG1lbV9mbGFncyk7CisJdXJiID0ga3phbGxvYyhzdHJ1Y3Rfc2l6ZSh1cmIsIGlzb19kZXNjcywg aXNvX2Rlc2NfY291bnQpLCBtZW1fZmxhZ3MpOwogCWlmICh1cmIpCiAJCXVyYi0+cGFja2V0X2Nv dW50ID0gaXNvX2Rlc2NfY291bnQ7CiAJcmV0dXJuIHVyYjsK