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: xhci: tegra: Prevent error pointer dereference From: Thierry Reding Message-Id: <20190220134841.7642-1-thierry.reding@gmail.com> Date: Wed, 20 Feb 2019 14:48:41 +0100 To: Greg Kroah-Hartman , Mathias Nyman Cc: Jonathan Hunter , linux-usb@vger.kernel.org, linux-tegra@vger.kernel.org List-ID: RnJvbTogVGhpZXJyeSBSZWRpbmcgPHRyZWRpbmdAbnZpZGlhLmNvbT4KCkR1cmluZyBpbml0aWFs aXphdGlvbiwgdGhlIGhvc3QgYW5kIHN1cGVyLXNwZWVkIHBvd2VyIGRvbWFpbnMgd2lsbApjb250 YWluIGFuIEVSUl9QVFIoKSBlbmNvZGVkIGVycm9yIGNvZGUgcmF0aGVyIHRoYW4gYmVpbmcgTlVM TC4gVG8KYXZvaWQgYSBjcmFzaCwgdXNlIGEgIUlTX0VSUl9PUl9OVUxMKCkgY29uZGl0aW9uIGR1 cmluZyBjbGVhbnVwLgoKU2lnbmVkLW9mZi1ieTogVGhpZXJyeSBSZWRpbmcgPHRyZWRpbmdAbnZp ZGlhLmNvbT4KLS0tCiBkcml2ZXJzL3VzYi9ob3N0L3hoY2ktdGVncmEuYyB8IDQgKystLQogMSBm aWxlIGNoYW5nZWQsIDIgaW5zZXJ0aW9ucygrKSwgMiBkZWxldGlvbnMoLSkKCmRpZmYgLS1naXQg YS9kcml2ZXJzL3VzYi9ob3N0L3hoY2ktdGVncmEuYyBiL2RyaXZlcnMvdXNiL2hvc3QveGhjaS10 ZWdyYS5jCmluZGV4IDkzOGZmMDZjMDM0OS4uZWZiMGNhZDg3MTBlIDEwMDY0NAotLS0gYS9kcml2 ZXJzL3VzYi9ob3N0L3hoY2ktdGVncmEuYworKysgYi9kcml2ZXJzL3VzYi9ob3N0L3hoY2ktdGVn cmEuYwpAQCAtOTQxLDkgKzk0MSw5IEBAIHN0YXRpYyB2b2lkIHRlZ3JhX3h1c2JfcG93ZXJkb21h aW5fcmVtb3ZlKHN0cnVjdCBkZXZpY2UgKmRldiwKIAkJZGV2aWNlX2xpbmtfZGVsKHRlZ3JhLT5n ZW5wZF9kbF9zcyk7CiAJaWYgKHRlZ3JhLT5nZW5wZF9kbF9ob3N0KQogCQlkZXZpY2VfbGlua19k ZWwodGVncmEtPmdlbnBkX2RsX2hvc3QpOwotCWlmICh0ZWdyYS0+Z2VucGRfZGV2X3NzKQorCWlm ICghSVNfRVJSX09SX05VTEwodGVncmEtPmdlbnBkX2Rldl9zcykpCiAJCWRldl9wbV9kb21haW5f ZGV0YWNoKHRlZ3JhLT5nZW5wZF9kZXZfc3MsIHRydWUpOwotCWlmICh0ZWdyYS0+Z2VucGRfZGV2 X2hvc3QpCisJaWYgKCFJU19FUlJfT1JfTlVMTCh0ZWdyYS0+Z2VucGRfZGV2X2hvc3QpKQogCQlk ZXZfcG1fZG9tYWluX2RldGFjaCh0ZWdyYS0+Z2VucGRfZGV2X2hvc3QsIHRydWUpOwogfQogCg==