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: dmaengine: st_fdma: use struct_size() in kzalloc() From: "Gustavo A. R. Silva" Message-Id: <20190104184322.GA9615@embeddedor> Date: Fri, 4 Jan 2019 12:43:22 -0600 To: Patrice Chotard , Vinod Koul , Dan Williams Cc: linux-arm-kernel@lists.infradead.org, dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org, "Gustavo A. R. Silva" List-ID: T25lIG9mIHRoZSBtb3JlIGNvbW1vbiBjYXNlcyBvZiBhbGxvY2F0aW9uIHNpemUgY2FsY3VsYXRp b25zIGlzIGZpbmRpbmcgdGhlCnNpemUgb2YgYSBzdHJ1Y3R1cmUgdGhhdCBoYXMgYSB6ZXJvLXNp emVkIGFycmF5IGF0IHRoZSBlbmQsIGFsb25nIHdpdGggbWVtb3J5CmZvciBzb21lIG51bWJlciBv ZiBlbGVtZW50cyBmb3IgdGhhdCBhcnJheS4gRm9yIGV4YW1wbGU6CgpzdHJ1Y3QgZm9vIHsKICAg IGludCBzdHVmZjsKICAgIHZvaWQgKmVudHJ5W107Cn07CgppbnN0YW5jZSA9IGt6YWxsb2Moc2l6 ZW9mKHN0cnVjdCBmb28pICsgc2l6ZW9mKHZvaWQgKikgKiBjb3VudCwgR0ZQX0tFUk5FTCk7CgpJ bnN0ZWFkIG9mIGxlYXZpbmcgdGhlc2Ugb3Blbi1jb2RlZCBhbmQgcHJvbmUgdG8gdHlwZSBtaXN0 YWtlcywgd2UgY2FuIG5vdwp1c2UgdGhlIG5ldyBzdHJ1Y3Rfc2l6ZSgpIGhlbHBlcjoKCmluc3Rh bmNlID0ga3phbGxvYyhzdHJ1Y3Rfc2l6ZShpbnN0YW5jZSwgZW50cnksIGNvdW50KSwgR0ZQX0tF Uk5FTCk7CgpUaGlzIGNvZGUgd2FzIGRldGVjdGVkIHdpdGggdGhlIGhlbHAgb2YgQ29jY2luZWxs ZS4KClNpZ25lZC1vZmYtYnk6IEd1c3Rhdm8gQS4gUi4gU2lsdmEgPGd1c3Rhdm9AZW1iZWRkZWRv ci5jb20+Ci0tLQogZHJpdmVycy9kbWEvc3RfZmRtYS5jIHwgMyArLS0KIDEgZmlsZSBjaGFuZ2Vk LCAxIGluc2VydGlvbigrKSwgMiBkZWxldGlvbnMoLSkKCmRpZmYgLS1naXQgYS9kcml2ZXJzL2Rt YS9zdF9mZG1hLmMgYi9kcml2ZXJzL2RtYS9zdF9mZG1hLmMKaW5kZXggMDdjMjBhYTJlOTU1Li5k ZjZiNzMwMjhlY2IgMTAwNjQ0Ci0tLSBhL2RyaXZlcnMvZG1hL3N0X2ZkbWEuYworKysgYi9kcml2 ZXJzL2RtYS9zdF9mZG1hLmMKQEAgLTI0Myw4ICsyNDMsNyBAQCBzdGF0aWMgc3RydWN0IHN0X2Zk bWFfZGVzYyAqc3RfZmRtYV9hbGxvY19kZXNjKHN0cnVjdCBzdF9mZG1hX2NoYW4gKmZjaGFuLAog CXN0cnVjdCBzdF9mZG1hX2Rlc2MgKmZkZXNjOwogCWludCBpOwogCi0JZmRlc2MgPSBremFsbG9j KHNpemVvZigqZmRlc2MpICsKLQkJCXNpemVvZihzdHJ1Y3Qgc3RfZmRtYV9zd19ub2RlKSAqIHNn X2xlbiwgR0ZQX05PV0FJVCk7CisJZmRlc2MgPSBremFsbG9jKHN0cnVjdF9zaXplKGZkZXNjLCBu b2RlLCBzZ19sZW4pLCBHRlBfTk9XQUlUKTsKIAlpZiAoIWZkZXNjKQogCQlyZXR1cm4gTlVMTDsK IAo=