From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Fengguang Wu <fengguang.wu@intel.com>
Cc: Jiri Slaby <jslaby@suse.cz>,
Yuanhan Liu <yuanhan.liu@linux.intel.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-serial@vger.kernel.org
Subject: Re: [tty:tty-next 17/23] drivers/staging/dgrp/dgrp_net_ops.c:229:8: error: 'struct tty_struct' has no member named 'read_cnt'
Date: Tue, 23 Oct 2012 10:53:30 +0100 [thread overview]
Message-ID: <20121023105330.13d31938@pyramind.ukuu.org.uk> (raw)
In-Reply-To: <20121023023054.GI6830@localhost>
On Tue, 23 Oct 2012 10:30:54 +0800
Fengguang Wu <fengguang.wu@intel.com> wrote:
> Hi Jiri,
>
> FYI, kernel build failed on
>
> tree: git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git tty-next
> head: ecbbfd44a08fa80e0d664814efd4c187721b85f6
> commit: ba2e68ac6157004ee4922fb39ebd9459bbae883e [17/23] TTY: move ldisc data from tty_struct: read_* and echo_* and canon_* stuff
> config: x86_64-allmodconfig # make ARCH=x86_64 allmodconfig
>
> All error/warnings:
>
> drivers/staging/dgrp/dgrp_net_ops.c: In function 'dgrp_input':
> drivers/staging/dgrp/dgrp_net_ops.c:216:27: error: 'struct tty_struct' has no member named 'real_raw'
> drivers/staging/dgrp/dgrp_net_ops.c:229:8: error: 'struct tty_struct' has no member named 'read_cnt'
> drivers/staging/dgrp/dgrp_net_ops.c:229:8: error: 'struct tty_struct' has no member named 'read_cnt'
> drivers/staging/dgrp/dgrp_net_ops.c:261:30: error: 'struct tty_struct' has no member named 'real_raw'
> drivers/staging/dgrp/dgrp_net_ops.c:276:28: error: 'struct tty_struct' has no member named 'real_raw'
>
> vim +229 drivers/staging/dgrp/dgrp_net_ops.c
>
> 0b52b749 Bill Pemberton 2012-09-20 228 /* take into consideration length of ldisc */
> 0b52b749 Bill Pemberton 2012-09-20 @229 len = min(len, (N_TTY_BUF_SIZE - 1) - tty->read_cnt);
This is broken and unsafe. It's always been broken and unsafe. Probably
the report wants directing to whoever signed up to fix it all in staging.
Alan
next prev parent reply other threads:[~2012-10-23 9:48 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-23 2:30 [tty:tty-next 17/23] drivers/staging/dgrp/dgrp_net_ops.c:229:8: error: 'struct tty_struct' has no member named 'read_cnt' Fengguang Wu
2012-10-23 9:53 ` Alan Cox [this message]
2012-10-23 10:00 ` Fengguang Wu
2012-10-27 12:20 ` Jiri Slaby
2012-10-27 15:01 ` Greg Kroah-Hartman
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