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: [v2] USB: host: Use zeroing memory allocator rather than allocator/memset From: Himanshu Jha Message-Id: <1514664232-9654-1-git-send-email-himanshujha199640@gmail.com> Date: Sun, 31 Dec 2017 01:33:52 +0530 To: gregkh@linuxfoundation.org Cc: stern@rowland.harvard.edu, mathias.nyman@intel.com, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, mcgrof@kernel.org, Himanshu Jha List-ID: VXNlIGRtYV96YWxsb2NfY29oZXJlbnQgZm9yIGFsbG9jYXRpbmcgemVyb2VkCm1lbW9yeSBhbmQg cmVtb3ZlIHVubmVjZXNzYXJ5IG1lbXNldCBmdW5jdGlvbi4KCkRvbmUgdXNpbmcgQ29jY2luZWxs ZS4KR2VuZXJhdGVkLWJ5OiBzY3JpcHRzL2NvY2NpbmVsbGUvYXBpL2FsbG9jL2t6YWxsb2Mtc2lt cGxlLmNvY2NpCjAtZGF5IHRlc3RlZCB3aXRoIG5vIGZhaWx1cmVzLgoKU3VnZ2VzdGVkLWJ5OiBM dWlzIFIuIFJvZHJpZ3VleiA8bWNncm9mQGtlcm5lbC5vcmc+ClNpZ25lZC1vZmYtYnk6IEhpbWFu c2h1IEpoYSA8aGltYW5zaHVqaGExOTk2NDBAZ21haWwuY29tPgotLS0KdjI6CiAgIC1hbGlnbiBh cmd1bWVuc3QgYXMgdGhleSB3ZXJlIGJlZm9yZSBhcHBseWluZyB0aGUgU21QTCBydWxlLgoKIGRy aXZlcnMvdXNiL2hvc3QvdWhjaS1oY2QuYyB8IDcgKysrLS0tLQogZHJpdmVycy91c2IvaG9zdC94 aGNpLW1lbS5jIHwgNyArKy0tLS0tCiAyIGZpbGVzIGNoYW5nZWQsIDUgaW5zZXJ0aW9ucygrKSwg OSBkZWxldGlvbnMoLSkKCmRpZmYgLS1naXQgYS9kcml2ZXJzL3VzYi9ob3N0L3VoY2ktaGNkLmMg Yi9kcml2ZXJzL3VzYi9ob3N0L3VoY2ktaGNkLmMKaW5kZXggZjVjOTAyMS4uYWM1MzM5OCAxMDA2 NDQKLS0tIGEvZHJpdmVycy91c2IvaG9zdC91aGNpLWhjZC5jCisrKyBiL2RyaXZlcnMvdXNiL2hv c3QvdWhjaS1oY2QuYwpAQCAtNjAwLDE1ICs2MDAsMTQgQEAgc3RhdGljIGludCB1aGNpX3N0YXJ0 KHN0cnVjdCB1c2JfaGNkICpoY2QpCiAJdWhjaS0+ZGVudHJ5ID0gZGVudHJ5OwogI2VuZGlmCiAK LQl1aGNpLT5mcmFtZSA9IGRtYV9hbGxvY19jb2hlcmVudCh1aGNpX2Rldih1aGNpKSwKLQkJCVVI Q0lfTlVNRlJBTUVTICogc2l6ZW9mKCp1aGNpLT5mcmFtZSksCi0JCQkmdWhjaS0+ZnJhbWVfZG1h X2hhbmRsZSwgR0ZQX0tFUk5FTCk7CisJdWhjaS0+ZnJhbWUgPSBkbWFfemFsbG9jX2NvaGVyZW50 KHVoY2lfZGV2KHVoY2kpLAorCQkJVUhDSV9OVU1GUkFNRVMgKiBzaXplb2YoKnVoY2ktPmZyYW1l KSwKKwkJCSZ1aGNpLT5mcmFtZV9kbWFfaGFuZGxlLCBHRlBfS0VSTkVMKTsKIAlpZiAoIXVoY2kt PmZyYW1lKSB7CiAJCWRldl9lcnIodWhjaV9kZXYodWhjaSksCiAJCQkidW5hYmxlIHRvIGFsbG9j YXRlIGNvbnNpc3RlbnQgbWVtb3J5IGZvciBmcmFtZSBsaXN0XG4iKTsKIAkJZ290byBlcnJfYWxs b2NfZnJhbWU7CiAJfQotCW1lbXNldCh1aGNpLT5mcmFtZSwgMCwgVUhDSV9OVU1GUkFNRVMgKiBz aXplb2YoKnVoY2ktPmZyYW1lKSk7CiAKIAl1aGNpLT5mcmFtZV9jcHUgPSBrY2FsbG9jKFVIQ0lf TlVNRlJBTUVTLCBzaXplb2YoKnVoY2ktPmZyYW1lX2NwdSksCiAJCQlHRlBfS0VSTkVMKTsKZGlm ZiAtLWdpdCBhL2RyaXZlcnMvdXNiL2hvc3QveGhjaS1tZW0uYyBiL2RyaXZlcnMvdXNiL2hvc3Qv eGhjaS1tZW0uYwppbmRleCA1NTRhOGE1Li4zMzI0MjBkIDEwMDY0NAotLS0gYS9kcml2ZXJzL3Vz Yi9ob3N0L3hoY2ktbWVtLmMKKysrIGIvZHJpdmVycy91c2IvaG9zdC94aGNpLW1lbS5jCkBAIC0x NzgyLDE0ICsxNzgyLDExIEBAIGludCB4aGNpX2FsbG9jX2Vyc3Qoc3RydWN0IHhoY2lfaGNkICp4 aGNpLAogCXN0cnVjdCB4aGNpX2Vyc3RfZW50cnkgKmVudHJ5OwogCiAJc2l6ZSA9IHNpemVvZihz dHJ1Y3QgeGhjaV9lcnN0X2VudHJ5KSAqIGV2dF9yaW5nLT5udW1fc2VnczsKLQllcnN0LT5lbnRy aWVzID0gZG1hX2FsbG9jX2NvaGVyZW50KHhoY2lfdG9faGNkKHhoY2kpLT5zZWxmLnN5c2RldiwK LQkJCQkJICAgc2l6ZSwKLQkJCQkJICAgJmVyc3QtPmVyc3RfZG1hX2FkZHIsCi0JCQkJCSAgIGZs YWdzKTsKKwllcnN0LT5lbnRyaWVzID0gZG1hX3phbGxvY19jb2hlcmVudCh4aGNpX3RvX2hjZCh4 aGNpKS0+c2VsZi5zeXNkZXYsCisJCQkJCSAgICBzaXplLCAmZXJzdC0+ZXJzdF9kbWFfYWRkciwg ZmxhZ3MpOwogCWlmICghZXJzdC0+ZW50cmllcykKIAkJcmV0dXJuIC1FTk9NRU07CiAKLQltZW1z ZXQoZXJzdC0+ZW50cmllcywgMCwgc2l6ZSk7CiAJZXJzdC0+bnVtX2VudHJpZXMgPSBldnRfcmlu Zy0+bnVtX3NlZ3M7CiAKIAlzZWcgPSBldnRfcmluZy0+Zmlyc3Rfc2VnOwo=