From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michal Wajdeczko Subject: [PATCH i-g-t v2] lib/igt_sysfs: Let igt_sysfs_read|write return -errno Date: Thu, 7 Dec 2017 16:52:46 +0000 Message-ID: <20171207165246.17944-1-michal.wajdeczko@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by gabe.freedesktop.org (Postfix) with ESMTPS id E1D146E23A for ; Thu, 7 Dec 2017 17:02:24 +0000 (UTC) List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org SW4gc29tZSBjYXNlcyBkZWJ1Z2ZzIG9yIHN5c2ZzIG1heSByZXR1cm4gZXJyb3JzIHRoYXQgd2UK d2FudCB0byBjaGVjay4gUmV0dXJuIC1lcnJubyBmcm9tIGhlbHBlciBmdW5jdGlvbnMgdG8gbWFr ZQphc3NlcnRzIGVhc2llci4KCnYyOiBkb24ndCBmb3JnZXQgYWJvdXQgRU9GIHJldD0wIChDaHJp cykKICAgIHNtYWxsIHJlLXdyaXRlIChNaWNoYWwpCgpTaWduZWQtb2ZmLWJ5OiBNaWNoYWwgV2Fq ZGVjemtvIDxtaWNoYWwud2FqZGVjemtvQGludGVsLmNvbT4KQ2M6IENocmlzIFdpbHNvbiA8Y2hy aXNAY2hyaXMtd2lsc29uLmNvLnVrPgpDYzogSm9vbmFzIExhaHRpbmVuIDxqb29uYXMubGFodGlu ZW5AbGludXguaW50ZWwuY29tPgotLS0KIGxpYi9pZ3Rfc3lzZnMuYyB8IDQ0ICsrKysrKysrKysr KysrKysrKysrKy0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tCiAxIGZpbGUgY2hhbmdlZCwgMjEgaW5z ZXJ0aW9ucygrKSwgMjMgZGVsZXRpb25zKC0pCgpkaWZmIC0tZ2l0IGEvbGliL2lndF9zeXNmcy5j IGIvbGliL2lndF9zeXNmcy5jCmluZGV4IGU3YzY3ZGEuLjg0MmExMzYgMTAwNjQ0Ci0tLSBhL2xp Yi9pZ3Rfc3lzZnMuYworKysgYi9saWIvaWd0X3N5c2ZzLmMKQEAgLTU0LDM2ICs1NCwzNCBAQAog CiBzdGF0aWMgaW50IHJlYWROKGludCBmZCwgY2hhciAqYnVmLCBpbnQgbGVuKQogewotCWludCB0 b3RhbCA9IDA7CisJaW50IHJldCwgdG90YWwgPSAwOwogCWRvIHsKLQkJaW50IHJldCA9IHJlYWQo ZmQsIGJ1ZiArIHRvdGFsLCBsZW4gLSB0b3RhbCk7Ci0JCWlmIChyZXQgPCAwICYmIChlcnJubyA9 PSBFSU5UUiB8fCBlcnJubyA9PSBFQUdBSU4pKQorCQlyZXQgPSByZWFkKGZkLCBidWYgKyB0b3Rh bCwgbGVuIC0gdG90YWwpOworCQlpZiAocmV0IDwgMCkKKwkJCXJldCA9IC1lcnJubzsKKwkJaWYg KHJldCA9PSAtRUlOVFIgfHwgcmV0ID09IC1FQUdBSU4pCiAJCQljb250aW51ZTsKLQogCQlpZiAo cmV0IDw9IDApCi0JCQlyZXR1cm4gdG90YWwgPzogcmV0OwotCisJCQlicmVhazsKIAkJdG90YWwg Kz0gcmV0OwotCQlpZiAodG90YWwgPT0gbGVuKQotCQkJcmV0dXJuIHRvdGFsOwotCX0gd2hpbGUg KDEpOworCX0gd2hpbGUgKHRvdGFsICE9IGxlbik7CisJcmV0dXJuIHRvdGFsID86IHJldDsKIH0K IAogc3RhdGljIGludCB3cml0ZU4oaW50IGZkLCBjb25zdCBjaGFyICpidWYsIGludCBsZW4pCiB7 Ci0JaW50IHRvdGFsID0gMDsKKwlpbnQgcmV0LCB0b3RhbCA9IDA7CiAJZG8gewotCQlpbnQgcmV0 ID0gd3JpdGUoZmQsIGJ1ZiArIHRvdGFsLCBsZW4gLSB0b3RhbCk7Ci0JCWlmIChyZXQgPCAwICYm IChlcnJubyA9PSBFSU5UUiB8fCBlcnJubyA9PSBFQUdBSU4pKQorCQlyZXQgPSB3cml0ZShmZCwg YnVmICsgdG90YWwsIGxlbiAtIHRvdGFsKTsKKwkJaWYgKHJldCA8IDApCisJCQlyZXQgPSAtZXJy bm87CisJCWlmIChyZXQgPT0gLUVJTlRSIHx8IHJldCA9PSAtRUFHQUlOKQogCQkJY29udGludWU7 Ci0KIAkJaWYgKHJldCA8PSAwKQotCQkJcmV0dXJuIHRvdGFsID86IHJldDsKLQorCQkJYnJlYWs7 CiAJCXRvdGFsICs9IHJldDsKLQkJaWYgKHRvdGFsID09IGxlbikKLQkJCXJldHVybiB0b3RhbDsK LQl9IHdoaWxlICgxKTsKKwl9IHdoaWxlICh0b3RhbCAhPSBsZW4pOworCXJldHVybiB0b3RhbCA/ OiByZXQ7CiB9CiAKIC8qKgpAQCAtMjM4LDcgKzIzNiw3IEBAIGludCBpZ3Rfc3lzZnNfb3Blbl9w YXJhbWV0ZXJzKGludCBkZXZpY2UpCiAgKiBUaGlzIHdyaXRlcyBAbGVuIGJ5dGVzIGZyb20gQGRh dGEgdG8gdGhlIHN5c2ZzIGZpbGUuCiAgKgogICogUmV0dXJuczoKLSAqIFRoZSBudW1iZXIgb2Yg Ynl0ZXMgd3JpdHRlbiwgb3IgLTEgb24gZXJyb3IuCisgKiBUaGUgbnVtYmVyIG9mIGJ5dGVzIHdy aXR0ZW4sIG9yIC1lcnJubyBvbiBlcnJvci4KICAqLwogaW50IGlndF9zeXNmc193cml0ZShpbnQg ZGlyLCBjb25zdCBjaGFyICphdHRyLCBjb25zdCB2b2lkICpkYXRhLCBpbnQgbGVuKQogewpAQCAt MjQ2LDcgKzI0NCw3IEBAIGludCBpZ3Rfc3lzZnNfd3JpdGUoaW50IGRpciwgY29uc3QgY2hhciAq YXR0ciwgY29uc3Qgdm9pZCAqZGF0YSwgaW50IGxlbikKIAogCWZkID0gb3BlbmF0KGRpciwgYXR0 ciwgT19XUk9OTFkpOwogCWlmIChmZCA8IDApCi0JCXJldHVybiBmYWxzZTsKKwkJcmV0dXJuIC1l cnJubzsKIAogCWxlbiA9IHdyaXRlTihmZCwgZGF0YSwgbGVuKTsKIAljbG9zZShmZCk7CkBAIC0y NjQsNyArMjYyLDcgQEAgaW50IGlndF9zeXNmc193cml0ZShpbnQgZGlyLCBjb25zdCBjaGFyICph dHRyLCBjb25zdCB2b2lkICpkYXRhLCBpbnQgbGVuKQogICogVGhpcyByZWFkcyBAbGVuIGJ5dGVz IGZyb20gdGhlIHN5c2ZzIGZpbGUgdG8gQGRhdGEKICAqCiAgKiBSZXR1cm5zOgotICogVGhlIGxl bmd0aCByZWFkLCAtMSBvbiBmYWlsdXJlLgorICogVGhlIGxlbmd0aCByZWFkLCAtZXJybm8gb24g ZmFpbHVyZS4KICAqLwogaW50IGlndF9zeXNmc19yZWFkKGludCBkaXIsIGNvbnN0IGNoYXIgKmF0 dHIsIHZvaWQgKmRhdGEsIGludCBsZW4pCiB7CkBAIC0yNzIsNyArMjcwLDcgQEAgaW50IGlndF9z eXNmc19yZWFkKGludCBkaXIsIGNvbnN0IGNoYXIgKmF0dHIsIHZvaWQgKmRhdGEsIGludCBsZW4p CiAKIAlmZCA9IG9wZW5hdChkaXIsIGF0dHIsIE9fUkRPTkxZKTsKIAlpZiAoZmQgPCAwKQotCQly ZXR1cm4gZmFsc2U7CisJCXJldHVybiAtZXJybm87CiAKIAlsZW4gPSByZWFkTihmZCwgZGF0YSwg bGVuKTsKIAljbG9zZShmZCk7CkBAIC0zMzgsNyArMzM2LDcgQEAgY2hhciAqaWd0X3N5c2ZzX2dl dChpbnQgZGlyLCBjb25zdCBjaGFyICphdHRyKQogCQlyZW0gPSBsZW4gLSBvZmZzZXQgLSAxOwog CX0KIAotCWlmIChyZXQgIT0gLTEpCisJaWYgKHJldCA+IDApCiAJCW9mZnNldCArPSByZXQ7CiAJ YnVmW29mZnNldF0gPSAnXDAnOwogCXdoaWxlIChvZmZzZXQgPiAwICYmIGJ1ZltvZmZzZXQtMV0g PT0gJ1xuJykKLS0gCjIuNy40CgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVz a3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9p bnRlbC1nZngK