From patchwork Mon Jan 16 22:54:31 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Rob Herring \(Arm\)" X-Patchwork-Id: 91586 Delivered-To: patch@linaro.org Received: by 10.140.20.99 with SMTP id 90csp233292qgi; Mon, 16 Jan 2017 14:56:28 -0800 (PST) X-Received: by 10.84.139.129 with SMTP id 1mr54678167plr.178.1484607388139; Mon, 16 Jan 2017 14:56:28 -0800 (PST) Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id r6si5488544pli.53.2017.01.16.14.56.28; Mon, 16 Jan 2017 14:56:28 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-serial-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-serial-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-serial-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751898AbdAPW4L (ORCPT + 2 others); Mon, 16 Jan 2017 17:56:11 -0500 Received: from mail-oi0-f68.google.com ([209.85.218.68]:33298 "EHLO mail-oi0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751412AbdAPWyp (ORCPT ); Mon, 16 Jan 2017 17:54:45 -0500 Received: by mail-oi0-f68.google.com with SMTP id j15so13741394oih.0; Mon, 16 Jan 2017 14:54:44 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=roX02AqYCmg9KSrpfrRZcyKe9tVpLvBFFvpZn904iqk=; b=nA3Qqbwfi+D2ImIVCbXXkrNMX04M+paLI7qEwxjtmUlFMees9bPtuXtdV5wlsWsVmq jpkJuDJdUothkLeaauVIyukQqvrnmUdjl5K2Sr28E9q4ip9LeQXVif3sP5EOfbvAy/6u Qqkih0P+7a3ywxqHqJ5gG6ThpH6uCB728BK1uuFZiBKIt3HTYZ0oNc1Klh4Kt2ShntHy fPkAZ0hlfwIRrf1thlksUC0u3D9qOtoUAvl2huoo6ENvis9sAhvi9PstZVHXcwbH/7b/ pJN0/C4BBroyqkYN7BxjlVnPuRx3LqNRjBFX8p6Rj9IU+4T+h8GG+U89lyZsBRsBOmou UsEA== X-Gm-Message-State: AIkVDXKQy7Sgob0zOmN1Nzdf1pri9DhrZqvBJ87lfSdO41c1RPmpMX6AZifC3S7ONXdV/Q== X-Received: by 10.202.228.70 with SMTP id b67mr17511345oih.173.1484607284256; Mon, 16 Jan 2017 14:54:44 -0800 (PST) Received: from rob-hp-laptop.herring.priv (72-48-98-129.dyn.grandenetworks.net. [72.48.98.129]) by smtp.googlemail.com with ESMTPSA id s125sm11601254oia.0.2017.01.16.14.54.42 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 16 Jan 2017 14:54:43 -0800 (PST) From: Rob Herring To: Greg Kroah-Hartman , Marcel Holtmann , Jiri Slaby , Sebastian Reichel , Arnd Bergmann , "Dr . H . Nikolaus Schaller" , Peter Hurley , Andy Shevchenko , Alan Cox Cc: Loic Poulain , Pavel Machek , NeilBrown , Linus Walleij , linux-bluetooth@vger.kernel.org, linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 4/9] tty: constify tty_ldisc_receive_buf buffer pointer Date: Mon, 16 Jan 2017 16:54:31 -0600 Message-Id: <20170116225436.17505-5-robh@kernel.org> X-Mailer: git-send-email 2.10.1 In-Reply-To: <20170116225436.17505-1-robh@kernel.org> References: <20170116225436.17505-1-robh@kernel.org> Sender: linux-serial-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-serial@vger.kernel.org This is needed to work with the client operations which uses const ptrs. Really, the flags pointer could be const, too, but this would be a tree wide fix. Signed-off-by: Rob Herring Reviewed-by: Andy Shevchenko Reviewed-By: Sebastian Reichel --- v2: - no change drivers/tty/tty_buffer.c | 2 +- include/linux/tty.h | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) -- 2.10.1 -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/drivers/tty/tty_buffer.c b/drivers/tty/tty_buffer.c index aa80dc94ddc2..f4dc3e296dd5 100644 --- a/drivers/tty/tty_buffer.c +++ b/drivers/tty/tty_buffer.c @@ -422,7 +422,7 @@ EXPORT_SYMBOL_GPL(tty_prepare_flip_string); * * Returns the number of bytes not processed */ -int tty_ldisc_receive_buf(struct tty_ldisc *ld, unsigned char *p, +int tty_ldisc_receive_buf(struct tty_ldisc *ld, const unsigned char *p, char *f, int count) { if (ld->ops->receive_buf2) diff --git a/include/linux/tty.h b/include/linux/tty.h index 86c7853282b7..21c0fabfed60 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -657,7 +657,7 @@ extern int tty_ldisc_setup(struct tty_struct *tty, struct tty_struct *o_tty); extern void tty_ldisc_release(struct tty_struct *tty); extern void tty_ldisc_init(struct tty_struct *tty); extern void tty_ldisc_deinit(struct tty_struct *tty); -extern int tty_ldisc_receive_buf(struct tty_ldisc *ld, unsigned char *p, +extern int tty_ldisc_receive_buf(struct tty_ldisc *ld, const unsigned char *p, char *f, int count); /* n_tty.c */