From: DM <dm.n9107@gmail.com>
To: "Ulrich Drepper" <drepper@redhat.com>
Cc: linux-kernel@vger.kernel.org, akpm@linux-foundation.org,
linux-mips@linux-mips.org, sparclinux@vger.kernel.org,
torvalds@linux-foundation.org
Subject: Re: [PATCH v2] unify sys_pipe implementation
Date: Mon, 5 May 2008 10:30:09 +0200 [thread overview]
Message-ID: <5eeb9ad90805050130i39ae791dwe599c12fc08fb8ec@mail.gmail.com> (raw)
In-Reply-To: <200805031801.m43I109q032242@devserv.devel.redhat.com>
On Sat, May 3, 2008 at 8:01 PM, Ulrich Drepper <drepper@redhat.com> wrote:
[...]
> /*
> + * sys_pipe() is the normal C calling standard for creating
> + * a pipe. It's not the way Unix traditionally does this, though.
> + */
> +asmlinkage long sys_pipe(int __user *fildes)
> +{
> + int fd[2];
> + int error;
> +
> + error = do_pipe(fd);
> + if (!error) {
> + if (copy_to_user(fildes, fd, sizeof(fd)))
> + error = -EFAULT;
> + }
> + return error;
> +}
> +
[...]
I realize this code is old, but wouldn't file descriptors leak if
copy_to_user fails?
BR,
dm.n9107
next prev parent reply other threads:[~2008-05-05 8:30 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-03 18:01 Ulrich Drepper
2008-05-03 18:40 ` Linus Torvalds
2008-05-05 8:30 ` DM [this message]
2008-05-05 9:15 ` Michael Kerrisk
2008-05-05 10:18 ` Ralf Baechle
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