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Thu, 04 Jul 2019 06:01:00 -0700 (PDT) From: Sergey Organov To: linux-serial@vger.kernel.org Subject: [PATCH v3 1/7] serial: imx: fix locking in set_termios() Date: Thu, 4 Jul 2019 16:00:23 +0300 Message-Id: <1562245229-709-2-git-send-email-sorganov@gmail.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1562245229-709-1-git-send-email-sorganov@gmail.com> References: <20190614072801.3187-1-s.hauer@pengutronix.de> <1562245229-709-1-git-send-email-sorganov@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190704_060102_757255_4713756A X-CRM114-Status: GOOD ( 13.72 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Greg Kroah-Hartman , Sascha Hauer , Sergey Organov , NXP Linux Team , Pengutronix Kernel Team , =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org aW14X3VhcnRfc2V0X3Rlcm1pb3MoKSBjYWxsZWQgaW14X3VhcnRfcnRzX2FjdGl2ZSgpLCBvcgpp bXhfdWFydF9ydHNfaW5hY3RpdmUoKSBiZWZvcmUgdGFraW5nIHBvcnQtPnBvcnQubG9jay4KCkFz IGEgY29uc2VxdWVuY2UsIHNwb3J0LT5wb3J0Lm1jdHJsIHRoYXQgdGhlc2UgZnVuY3Rpb25zIG1v ZGlmeQpjb3VsZCBoYXZlIGJlZW4gY2hhbmdlZCB3aXRob3V0IGhvbGRpbmcgcG9ydC0+cG9ydC5s b2NrLgoKTW92ZWQgbG9ja2luZyBvZiBwb3J0LT5wb3J0LmxvY2sgYWJvdmUgdGhlIGNhbGxzIHRv IGZpeCB0aGUgaXNzdWUuCgpSZXZpZXdlZC1ieTogU2FzY2hhIEhhdWVyIDxzLmhhdWVyQHBlbmd1 dHJvbml4LmRlPgpUZXN0ZWQtYnk6IFNhc2NoYSBIYXVlciA8cy5oYXVlckBwZW5ndXRyb25peC5k ZT4KVXdlIEtsZWluZS1Lw7ZuaWcgPHUua2xlaW5lLWtvZW5pZ0BwZW5ndXRyb25peC5kZT4KClNp Z25lZC1vZmYtYnk6IFNlcmdleSBPcmdhbm92IDxzb3JnYW5vdkBnbWFpbC5jb20+Ci0tLQogZHJp dmVycy90dHkvc2VyaWFsL2lteC5jIHwgMjMgKysrKysrKysrKysrKy0tLS0tLS0tLS0KIDEgZmls ZSBjaGFuZ2VkLCAxMyBpbnNlcnRpb25zKCspLCAxMCBkZWxldGlvbnMoLSkKCmRpZmYgLS1naXQg YS9kcml2ZXJzL3R0eS9zZXJpYWwvaW14LmMgYi9kcml2ZXJzL3R0eS9zZXJpYWwvaW14LmMKaW5k ZXggZGZmNzVkYy4uMTA1NTEyNCAxMDA2NDQKLS0tIGEvZHJpdmVycy90dHkvc2VyaWFsL2lteC5j CisrKyBiL2RyaXZlcnMvdHR5L3NlcmlhbC9pbXguYwpAQCAtMzgzLDYgKzM4Myw3IEBAIHN0YXRp YyB2b2lkIGlteF91YXJ0X3VjcnNfcmVzdG9yZShzdHJ1Y3QgaW14X3BvcnQgKnNwb3J0LAogfQog I2VuZGlmCiAKKy8qIGNhbGxlZCB3aXRoIHBvcnQubG9jayB0YWtlbiBhbmQgaXJxcyBjYWxsZXIg ZGVwZW5kZW50ICovCiBzdGF0aWMgdm9pZCBpbXhfdWFydF9ydHNfYWN0aXZlKHN0cnVjdCBpbXhf cG9ydCAqc3BvcnQsIHUzMiAqdWNyMikKIHsKIAkqdWNyMiAmPSB+KFVDUjJfQ1RTQyB8IFVDUjJf Q1RTKTsKQEAgLTM5MSw2ICszOTIsNyBAQCBzdGF0aWMgdm9pZCBpbXhfdWFydF9ydHNfYWN0aXZl KHN0cnVjdCBpbXhfcG9ydCAqc3BvcnQsIHUzMiAqdWNyMikKIAltY3RybF9ncGlvX3NldChzcG9y dC0+Z3Bpb3MsIHNwb3J0LT5wb3J0Lm1jdHJsKTsKIH0KIAorLyogY2FsbGVkIHdpdGggcG9ydC5s b2NrIHRha2VuIGFuZCBpcnFzIGNhbGxlciBkZXBlbmRlbnQgKi8KIHN0YXRpYyB2b2lkIGlteF91 YXJ0X3J0c19pbmFjdGl2ZShzdHJ1Y3QgaW14X3BvcnQgKnNwb3J0LCB1MzIgKnVjcjIpCiB7CiAJ KnVjcjIgJj0gflVDUjJfQ1RTQzsKQEAgLTQwMCw2ICs0MDIsNyBAQCBzdGF0aWMgdm9pZCBpbXhf dWFydF9ydHNfaW5hY3RpdmUoc3RydWN0IGlteF9wb3J0ICpzcG9ydCwgdTMyICp1Y3IyKQogCW1j dHJsX2dwaW9fc2V0KHNwb3J0LT5ncGlvcywgc3BvcnQtPnBvcnQubWN0cmwpOwogfQogCisvKiBj YWxsZWQgd2l0aCBwb3J0LmxvY2sgdGFrZW4gYW5kIGlycXMgY2FsbGVyIGRlcGVuZGVudCAqLwog c3RhdGljIHZvaWQgaW14X3VhcnRfcnRzX2F1dG8oc3RydWN0IGlteF9wb3J0ICpzcG9ydCwgdTMy ICp1Y3IyKQogewogCSp1Y3IyIHw9IFVDUjJfQ1RTQzsKQEAgLTE1NTAsNiArMTU1MywxNiBAQCBp bXhfdWFydF9zZXRfdGVybWlvcyhzdHJ1Y3QgdWFydF9wb3J0ICpwb3J0LCBzdHJ1Y3Qga3Rlcm1p b3MgKnRlcm1pb3MsCiAJCW9sZF9jc2l6ZSA9IENTODsKIAl9CiAKKwlkZWxfdGltZXJfc3luYygm c3BvcnQtPnRpbWVyKTsKKworCS8qCisJICogQXNrIHRoZSBjb3JlIHRvIGNhbGN1bGF0ZSB0aGUg ZGl2aXNvciBmb3IgdXMuCisJICovCisJYmF1ZCA9IHVhcnRfZ2V0X2JhdWRfcmF0ZShwb3J0LCB0 ZXJtaW9zLCBvbGQsIDUwLCBwb3J0LT51YXJ0Y2xrIC8gMTYpOworCXF1b3QgPSB1YXJ0X2dldF9k aXZpc29yKHBvcnQsIGJhdWQpOworCisJc3Bpbl9sb2NrX2lycXNhdmUoJnNwb3J0LT5wb3J0Lmxv Y2ssIGZsYWdzKTsKKwogCWlmICgodGVybWlvcy0+Y19jZmxhZyAmIENTSVpFKSA9PSBDUzgpCiAJ CXVjcjIgPSBVQ1IyX1dTIHwgVUNSMl9TUlNUIHwgVUNSMl9JUlRTOwogCWVsc2UKQEAgLTE1OTMs MTYgKzE2MDYsNiBAQCBpbXhfdWFydF9zZXRfdGVybWlvcyhzdHJ1Y3QgdWFydF9wb3J0ICpwb3J0 LCBzdHJ1Y3Qga3Rlcm1pb3MgKnRlcm1pb3MsCiAJCQl1Y3IyIHw9IFVDUjJfUFJPRTsKIAl9CiAK LQlkZWxfdGltZXJfc3luYygmc3BvcnQtPnRpbWVyKTsKLQotCS8qCi0JICogQXNrIHRoZSBjb3Jl IHRvIGNhbGN1bGF0ZSB0aGUgZGl2aXNvciBmb3IgdXMuCi0JICovCi0JYmF1ZCA9IHVhcnRfZ2V0 X2JhdWRfcmF0ZShwb3J0LCB0ZXJtaW9zLCBvbGQsIDUwLCBwb3J0LT51YXJ0Y2xrIC8gMTYpOwot CXF1b3QgPSB1YXJ0X2dldF9kaXZpc29yKHBvcnQsIGJhdWQpOwotCi0Jc3Bpbl9sb2NrX2lycXNh dmUoJnNwb3J0LT5wb3J0LmxvY2ssIGZsYWdzKTsKLQogCXNwb3J0LT5wb3J0LnJlYWRfc3RhdHVz X21hc2sgPSAwOwogCWlmICh0ZXJtaW9zLT5jX2lmbGFnICYgSU5QQ0spCiAJCXNwb3J0LT5wb3J0 LnJlYWRfc3RhdHVzX21hc2sgfD0gKFVSWERfRlJNRVJSIHwgVVJYRF9QUkVSUik7Ci0tIAoyLjEw LjAuMS5nNTdiMDFhMwoKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fCmxpbnV4LWFybS1rZXJuZWwgbWFpbGluZyBsaXN0CmxpbnV4LWFybS1rZXJuZWxAbGlz dHMuaW5mcmFkZWFkLm9yZwpodHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xpc3Rp bmZvL2xpbnV4LWFybS1rZXJuZWwK