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: [3/6] xhci: Fix NULL pointer in xhci debugfs From: Mathias Nyman Message-Id: <1518438291-5068-4-git-send-email-mathias.nyman@linux.intel.com> Date: Mon, 12 Feb 2018 14:24:48 +0200 To: gregkh@linuxfoundation.org Cc: linux-usb@vger.kernel.org, Zhengjun Xing , "# v4 . 15" , Mathias Nyman List-ID: RnJvbTogWmhlbmdqdW4gWGluZyA8emhlbmdqdW4ueGluZ0BsaW51eC5pbnRlbC5jb20+CgpDb21t aXQgZGRlNjM0MDU3ZGE3ICgieGhjaTogRml4IHVzZS1hZnRlci1mcmVlIGluIHhoY2kgZGVidWdm cyIpIGNhdXNlcyBhCm51bGwgcG9pbnRlciBkZXJlZmVyZW5jZSB3aGlsZSBmaXhpbmcgeGhjaS1k ZWJ1Z2ZzIHVzYWdlIG9mIHJpbmcgcG9pbnRlcnMKdGhhdCB3ZXJlIGZyZWVkIGR1cmluZyBoaWJl cm5hdGUuCgpUaGUgZml4IHBhc3NlZCBhZGRyZXNzZXMgdG8gcmluZyBwb2ludGVycyBpbnN0ZWFk LCBidXQgZm9yZ290IHRvIGRvIHRoaXMKY2hhbmdlIGZvciB0aGUgeGhjaV9yaW5nX3RyYl9zaG93 IGZ1bmN0aW9uLgoKVGhlIGFkZHJlc3Mgb2YgdGhlIHJpbmcgcG9pbnRlciBwYXNzZWQgdG8geGhj aS1kZWJ1Z2ZzIHdhcyBvZiBhIHRlbXBvcmFyeQpyaW5nIHBvaW50ZXIgIm5ld19yaW5nIiBpbnN0 ZWFkIG9mIHRoZSBhY3R1YWwgcmluZyAicmluZyIgcG9pbnRlci4gVGhlCnRlbXBvcmFyeSBuZXdf cmluZyBwb2ludGVyIHdpbGwgYmUgc2V0IHRvIE5VTEwgbGF0ZXIgY2F1c2luZyB0aGUgTlVMTApw b2ludGVyIGRlcmVmZXJlbmNlLgoKVGhpcyBpc3N1ZSB3YXMgc2VlbiB3aGVuIHJlYWRpbmcgeGhj aSByZWxhdGVkIGZpbGVzIGluIGRlYnVnZnM6CgpjYXQgL3N5cy9rZXJuZWwvZGVidWcvdXNiL3ho Y2kvKi9kZXZpY2VzLyovZXAqL3RyYnMKClsgIDE4NC42MDQ4NjFdIEJVRzogdW5hYmxlIHRvIGhh bmRsZSBrZXJuZWwgTlVMTCBwb2ludGVyIGRlcmVmZXJlbmNlIGF0IChudWxsKQpbICAxODQuNjEz Nzc2XSBJUDogeGhjaV9yaW5nX3RyYl9zaG93KzB4M2EvMHg4OTAKWyAgMTg0LjYxODczM10gUEdE IDI2NDE5MzA2NyBQNEQgMjY0MTkzMDY3IFBVRCAyNjMyMzgwNjcgUE1EIDAKWyAgMTg0LjYyNTE4 NF0gT29wczogMDAwMCBbIzFdIFNNUApbICAxODQuNzI2NDEwXSBSSVA6IDAwMTA6eGhjaV9yaW5n X3RyYl9zaG93KzB4M2EvMHg4OTAKWyAgMTg0LjczMTk0NF0gUlNQOiAwMDE4OmZmZmZiYTgyNDNj MGZkOTAgRUZMQUdTOiAwMDAxMDI0NgpbICAxODQuNzM3ODgwXSBSQVg6IDAwMDAwMDAwMDAwMDAw MDAgUkJYOiAwMDAwMDAwMDAwMDAwMDAwIFJDWDogMDAwMDAwMDAwMDAyOTVkNgpbICAxODQuNzQ2 MDIwXSBSRFg6IDAwMDAwMDAwMDAwMjk1ZDUgUlNJOiAwMDAwMDAwMDAwMDAwMDAxIFJESTogZmZm Zjk3MWE2NDE4ZDQwMApbICAxODQuNzU0MTIxXSBSQlA6IDAwMDAwMDAwMDAwMDAwMDAgUjA4OiAw MDAwMDAwMDAwMDAwMDAwIFIwOTogMDAwMDAwMDAwMDAwMDAwMApbICAxODQuNzYyMjIyXSBSMTA6 IGZmZmY5NzFhNjRjOThhODAgUjExOiBmZmZmOTcxYTYyYTAwZTQwIFIxMjogZmZmZjk3MWE2MmE4 NTUwMApbICAxODQuNzcwMzI1XSBSMTM6IDAwMDAwMDAwMDAwMjAwMDAgUjE0OiBmZmZmOTcxYTY0 MThkNDAwIFIxNTogZmZmZjk3MWE2NDE4ZDQwMApbICAxODQuNzc4NDQ4XSBGUzogIDAwMDA3ZmU3 MjVhNzk3MDAoMDAwMCkgR1M6ZmZmZjk3MWE2ZWMwMDAwMCgwMDAwKSBrbmxHUzowMDAwMDAwMDAw MDAwMDAwClsgIDE4NC43ODc2NDRdIENTOiAgMDAxMCBEUzogMDAwMCBFUzogMDAwMCBDUjA6IDAw MDAwMDAwODAwNTAwMzMKWyAgMTg0Ljc5NDE2OF0gQ1IyOiAwMDAwMDAwMDAwMDAwMDAwIENSMzog MDAwMDAwMDI1ZjM2NTAwNSBDUjQ6IDAwMDAwMDAwMDAzNjA2ZjAKWyAgMTg0LjgwMjMxOF0gQ2Fs bCBUcmFjZToKWyAgMTg0LjgwNTA5NF0gID8gc2VxX3JlYWQrMHgyODEvMHgzYjAKWyAgMTg0Ljgw OTA2OF0gIHNlcV9yZWFkKzB4ZWIvMHgzYjAKWyAgMTg0LjgxMjczNV0gIGZ1bGxfcHJveHlfcmVh ZCsweDRkLzB4NzAKWyAgMTg0LjgxNzAwN10gIF9fdmZzX3JlYWQrMHgyMy8weDEyMApbICAxODQu ODIwODcwXSAgdmZzX3JlYWQrMHg5MS8weDEzMApbICAxODQuODI0NTM4XSAgU3lTX3JlYWQrMHg0 Mi8weDkwClsgIDE4NC44MjgxMDZdICBlbnRyeV9TWVNDQUxMXzY0X2Zhc3RwYXRoKzB4MWEvMHg3 ZAoKRml4ZXM6IGRkZTYzNDA1N2RhNyAoInhoY2k6IEZpeCB1c2UtYWZ0ZXItZnJlZSBpbiB4aGNp IGRlYnVnZnMiKQpDYzogPHN0YWJsZUB2Z2VyLmtlcm5lbC5vcmc+ICMgdjQuMTUKU2lnbmVkLW9m Zi1ieTogWmhlbmdqdW4gWGluZyA8emhlbmdqdW4ueGluZ0BsaW51eC5pbnRlbC5jb20+ClNpZ25l ZC1vZmYtYnk6IE1hdGhpYXMgTnltYW4gPG1hdGhpYXMubnltYW5AbGludXguaW50ZWwuY29tPgot LS0KIGRyaXZlcnMvdXNiL2hvc3QveGhjaS1kZWJ1Z2ZzLmMgfCA0ICsrLS0KIDEgZmlsZSBjaGFu Z2VkLCAyIGluc2VydGlvbnMoKyksIDIgZGVsZXRpb25zKC0pCgpkaWZmIC0tZ2l0IGEvZHJpdmVy cy91c2IvaG9zdC94aGNpLWRlYnVnZnMuYyBiL2RyaXZlcnMvdXNiL2hvc3QveGhjaS1kZWJ1Z2Zz LmMKaW5kZXggZTI2ZTY4NS4uNTg1MTA1MiAxMDA2NDQKLS0tIGEvZHJpdmVycy91c2IvaG9zdC94 aGNpLWRlYnVnZnMuYworKysgYi9kcml2ZXJzL3VzYi9ob3N0L3hoY2ktZGVidWdmcy5jCkBAIC0y MTEsNyArMjExLDcgQEAgc3RhdGljIHZvaWQgeGhjaV9yaW5nX2R1bXBfc2VnbWVudChzdHJ1Y3Qg c2VxX2ZpbGUgKnMsCiBzdGF0aWMgaW50IHhoY2lfcmluZ190cmJfc2hvdyhzdHJ1Y3Qgc2VxX2Zp bGUgKnMsIHZvaWQgKnVudXNlZCkKIHsKIAlpbnQJCQlpOwotCXN0cnVjdCB4aGNpX3JpbmcJKnJp bmcgPSBzLT5wcml2YXRlOworCXN0cnVjdCB4aGNpX3JpbmcJKnJpbmcgPSAqKHN0cnVjdCB4aGNp X3JpbmcgKiopcy0+cHJpdmF0ZTsKIAlzdHJ1Y3QgeGhjaV9zZWdtZW50CSpzZWcgPSByaW5nLT5m aXJzdF9zZWc7CiAKIAlmb3IgKGkgPSAwOyBpIDwgcmluZy0+bnVtX3NlZ3M7IGkrKykgewpAQCAt Mzg3LDcgKzM4Nyw3IEBAIHZvaWQgeGhjaV9kZWJ1Z2ZzX2NyZWF0ZV9lbmRwb2ludChzdHJ1Y3Qg eGhjaV9oY2QgKnhoY2ksCiAKIAlzbnByaW50ZihlcHJpdi0+bmFtZSwgc2l6ZW9mKGVwcml2LT5u YW1lKSwgImVwJTAyZCIsIGVwX2luZGV4KTsKIAllcHJpdi0+cm9vdCA9IHhoY2lfZGVidWdmc19j cmVhdGVfcmluZ19kaXIoeGhjaSwKLQkJCQkJCSAgICZkZXYtPmVwc1tlcF9pbmRleF0ubmV3X3Jp bmcsCisJCQkJCQkgICAmZGV2LT5lcHNbZXBfaW5kZXhdLnJpbmcsCiAJCQkJCQkgICBlcHJpdi0+ bmFtZSwKIAkJCQkJCSAgIHNwcml2LT5yb290KTsKIAlzcHJpdi0+ZXBzW2VwX2luZGV4XSA9IGVw cml2Owo=