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: core: urb: Use struct_size() in kmalloc() From: "Gustavo A. R. Silva" Message-Id: <20190108152225.GA5721@embeddedor> Date: Tue, 8 Jan 2019 09:22:25 -0600 To: Greg Kroah-Hartman Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, "Gustavo A. R. Silva" List-ID: T25lIG9mIHRoZSBtb3JlIGNvbW1vbiBjYXNlcyBvZiBhbGxvY2F0aW9uIHNpemUgY2FsY3VsYXRp b25zIGlzIGZpbmRpbmcKdGhlIHNpemUgb2YgYSBzdHJ1Y3R1cmUgdGhhdCBoYXMgYSB6ZXJvLXNp emVkIGFycmF5IGF0IHRoZSBlbmQsIGFsb25nCndpdGggbWVtb3J5IGZvciBzb21lIG51bWJlciBv ZiBlbGVtZW50cyBmb3IgdGhhdCBhcnJheS4gRm9yIGV4YW1wbGU6CgpzdHJ1Y3QgZm9vIHsKICAg IGludCBzdHVmZjsKICAgIHZvaWQgKmVudHJ5W107Cn07CgppbnN0YW5jZSA9IGttYWxsb2Moc2l6 ZW9mKHN0cnVjdCBmb28pICsgc2l6ZW9mKHZvaWQgKikgKiBjb3VudCwgR0ZQX0tFUk5FTCk7CgpJ bnN0ZWFkIG9mIGxlYXZpbmcgdGhlc2Ugb3Blbi1jb2RlZCBhbmQgcHJvbmUgdG8gdHlwZSBtaXN0 YWtlcywgd2UgY2FuCm5vdyB1c2UgdGhlIG5ldyBzdHJ1Y3Rfc2l6ZSgpIGhlbHBlcjoKCmluc3Rh bmNlID0ga21hbGxvYyhzdHJ1Y3Rfc2l6ZShpbnN0YW5jZSwgZW50cnksIGNvdW50KSwgR0ZQX0tF Uk5FTCk7CgpUaGlzIGNvZGUgd2FzIGRldGVjdGVkIHdpdGggdGhlIGhlbHAgb2YgQ29jY2luZWxs ZS4KClNpZ25lZC1vZmYtYnk6IEd1c3Rhdm8gQS4gUi4gU2lsdmEgPGd1c3Rhdm9AZW1iZWRkZWRv ci5jb20+Ci0tLQogZHJpdmVycy91c2IvY29yZS91cmIuYyB8IDUgKystLS0KIDEgZmlsZSBjaGFu Z2VkLCAyIGluc2VydGlvbnMoKyksIDMgZGVsZXRpb25zKC0pCgpkaWZmIC0tZ2l0IGEvZHJpdmVy cy91c2IvY29yZS91cmIuYyBiL2RyaXZlcnMvdXNiL2NvcmUvdXJiLmMKaW5kZXggZjUxNzUwYmNk MTUyLi4wZWFiNzlmODJjZTQgMTAwNjQ0Ci0tLSBhL2RyaXZlcnMvdXNiL2NvcmUvdXJiLmMKKysr IGIvZHJpdmVycy91c2IvY29yZS91cmIuYwpAQCAtNzAsOSArNzAsOCBAQCBzdHJ1Y3QgdXJiICp1 c2JfYWxsb2NfdXJiKGludCBpc29fcGFja2V0cywgZ2ZwX3QgbWVtX2ZsYWdzKQogewogCXN0cnVj dCB1cmIgKnVyYjsKIAotCXVyYiA9IGttYWxsb2Moc2l6ZW9mKHN0cnVjdCB1cmIpICsKLQkJaXNv X3BhY2tldHMgKiBzaXplb2Yoc3RydWN0IHVzYl9pc29fcGFja2V0X2Rlc2NyaXB0b3IpLAotCQlt ZW1fZmxhZ3MpOworCXVyYiA9IGttYWxsb2Moc3RydWN0X3NpemUodXJiLCBpc29fZnJhbWVfZGVz YywgaXNvX3BhY2tldHMpLAorCQkgICAgICBtZW1fZmxhZ3MpOwogCWlmICghdXJiKQogCQlyZXR1 cm4gTlVMTDsKIAl1c2JfaW5pdF91cmIodXJiKTsK