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From: Rob Herring <robh@kernel.org>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Marcel Holtmann <marcel@holtmann.org>,
	Jiri Slaby <jslaby@suse.com>, Sebastian Reichel <sre@kernel.org>,
	Arnd Bergmann <arnd@arndb.de>,
	"Dr . H . Nikolaus Schaller" <hns@goldelico.com>,
	Peter Hurley <peter@hurleysoftware.com>,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	Alan Cox <gnomes@lxorguk.ukuu.org.uk>
Cc: Loic Poulain <loic.poulain@intel.com>,
	Pavel Machek <pavel@ucw.cz>, NeilBrown <neil@brown.name>,
	Linus Walleij <linus.walleij@linaro.org>,
	linux-bluetooth@vger.kernel.org, linux-serial@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: [PATCH 4/9] tty: constify tty_ldisc_receive_buf buffer pointer
Date: Fri,  6 Jan 2017 10:26:30 -0600	[thread overview]
Message-ID: <20170106162635.19677-5-robh@kernel.org> (raw)
In-Reply-To: <20170106162635.19677-1-robh@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 <robh@kernel.org>
---
 drivers/tty/tty_buffer.c | 2 +-
 include/linux/tty.h      | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

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 */
-- 
2.10.1

  parent reply	other threads:[~2017-01-06 16:28 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-01-06 16:26 [PATCH 0/9] Serial slave device bus Rob Herring
2017-01-06 16:26 ` [PATCH 1/9] tty: move the non-file related parts of tty_release to new tty_release_struct Rob Herring
2017-01-08 22:42   ` Sebastian Reichel
2017-01-06 16:26 ` [PATCH 2/9] tty_port: allow a port to be opened with a tty that has no file handle Rob Herring
2017-01-13 16:46   ` Rob Herring
2017-01-06 16:26 ` [PATCH 3/9] tty_port: make tty_port_register_device wrap tty_port_register_device_attr Rob Herring
2017-01-06 16:26 ` Rob Herring [this message]
2017-01-06 16:26 ` [PATCH 5/9] tty_port: Add port client functions Rob Herring
2017-01-06 16:26 ` [PATCH 6/9] dt/bindings: Add a serial/UART attached device binding Rob Herring
2017-01-06 19:21   ` Arnd Bergmann
2017-01-06 20:41     ` Rob Herring
2017-01-10 19:50   ` One Thousand Gnomes
2017-01-10 21:41   ` Pavel Machek
2017-01-06 16:26 ` [PATCH 7/9] serdev: Introduce new bus for serial attached devices Rob Herring
2017-01-07 14:02   ` Andy Shevchenko
2017-01-12 20:13     ` Rob Herring
2017-01-08 22:41   ` Sebastian Reichel
2017-01-10 21:46   ` Pavel Machek
2017-01-12 19:53     ` Rob Herring
2017-01-06 16:26 ` [PATCH 8/9] serdev: add a tty port controller driver Rob Herring
2017-01-07 14:11   ` Andy Shevchenko
2017-01-12 16:01     ` Rob Herring
2017-01-13 15:04       ` Andy Shevchenko
2017-01-13 15:28         ` Rob Herring
2017-01-13 15:55           ` Andy Shevchenko
2017-01-10 22:04   ` Pavel Machek
2017-01-14  2:54     ` Rob Herring
2017-01-06 16:26 ` [PATCH 9/9] tty_port: register tty ports with serdev bus Rob Herring
2017-01-06 19:25 ` [PATCH 0/9] Serial slave device bus Arnd Bergmann
2017-01-07 11:00 ` Andy Shevchenko
2017-01-10 17:24   ` Rob Herring
2017-01-10 18:32     ` Marcel Holtmann
2017-01-08 22:46 ` Sebastian Reichel
2017-01-10 11:44 ` H. Nikolaus Schaller
2017-01-10 12:02   ` Marcel Holtmann
2017-01-10 12:10     ` H. Nikolaus Schaller
2017-01-10 12:20       ` Andy Shevchenko
2017-01-10 12:40         ` H. Nikolaus Schaller
     [not found]   ` <CAL_JsqL-VMQ+zCTN+4+PPPCY+-askp=H908s8R=EjjytzuC8yw@mail.gmail.com>
     [not found]     ` <39C27218-E564-4C7D-A8CD-8D7F654EE2B3@goldelico.com>
2017-01-13 14:48       ` Rob Herring
2017-01-16  6:46         ` H. Nikolaus Schaller
2017-01-10 12:05 ` Marcel Holtmann
2017-01-10 22:05 ` Pavel Machek

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