From: Mark Salter <msalter@redhat.com>
To: Pavel Machek <pavel@ucw.cz>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH 01/16] fix default __strnlen_user macro
Date: Fri, 13 May 2011 10:40:57 -0400 [thread overview]
Message-ID: <1305297657.15167.130.camel@redhat.com> (raw)
In-Reply-To: <20110513135501.GA747@localhost.ucw.cz>
On Fri, 2011-05-13 at 13:55 +0000, Pavel Machek wrote:
> > The existing __strnlen_user macro simply resolved to strnlen. However, the
> > count returned by strnlen_user should include the NULL byte. This patch
> > fixes the __strnlen_user macro to include the NULL byte in the count.
>
> Are you sure? Having strnlen and _foo_strnlen with different return
> values seems very very dangerous.
>
Yes. I am sure based on comments and usage elsewhere in the kernel.
That difference certainly through me off track as I tried to figure out
why my kernels failed to mount roots when I switched to the generic
uaccess.h.
--Mark
next prev parent reply other threads:[~2011-05-13 14:41 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-11 20:13 [PATCH] arch/c6x: new architecture port for linux Mark Salter
2011-05-11 20:13 ` [PATCH 01/16] fix default __strnlen_user macro Mark Salter
2011-05-11 20:13 ` [PATCH 02/16] fixed generic page.h for non-zero PAGE_OFFSET Mark Salter
2011-05-11 20:13 ` [PATCH 03/16] add driver for C64x+ ethernet driver Mark Salter
2011-05-11 20:13 ` [PATCH 04/16] add support for C64x+ debugger based console Mark Salter
2011-05-11 20:13 ` [PATCH 05/16] add ELF machine define for TI C6X DSPs Mark Salter
2011-05-11 20:13 ` [PATCH 06/16] add maintainers entry for C6X arch Mark Salter
2011-05-11 20:13 ` [PATCH 07/16] C6X: add toplevel configury and makefile Mark Salter
2011-05-11 20:13 ` [PATCH 08/16] C6X: add include files Mark Salter
2011-05-11 20:13 ` [PATCH 09/16] C6X: add kernel files Mark Salter
2011-05-11 20:13 ` [PATCH 10/16] C6X: add mm files Mark Salter
2011-05-11 20:13 ` [PATCH 11/16] C6X: add lib files Mark Salter
2011-05-11 20:13 ` [PATCH 12/16] C6X: add platform files Mark Salter
2011-05-11 20:14 ` [PATCH 13/16] C6X: add drivers/platform/c6x files Mark Salter
2011-05-11 20:14 ` [PATCH 14/16] C6X: add default configs Mark Salter
2011-05-11 20:14 ` [PATCH 15/16] Add new elf binfmt support for DSBT Mark Salter
2011-05-11 20:14 ` [PATCH 16/16] C6X: add support for DSBT binary format Mark Salter
2011-05-12 2:41 ` [04/16] add support for C64x+ debugger based console Milton Miller
2011-05-12 12:55 ` Mark Salter
2011-05-12 0:49 ` [PATCH 03/16] add driver for C64x+ ethernet driver Joe Perches
2011-05-13 15:30 ` Ben Hutchings
2011-05-13 13:55 ` [PATCH 01/16] fix default __strnlen_user macro Pavel Machek
2011-05-13 14:40 ` Mark Salter [this message]
2011-05-11 20:13 ` [PATCH] arch/c6x: new architecture port for linux Milton Miller
2011-05-12 12:34 ` Mark Salter
2011-05-11 21:34 ` Randy Dunlap
2011-05-12 0:57 ` Mark Salter
2011-05-12 1:07 ` Randy Dunlap
2011-05-12 1:16 ` Mark Salter
2011-05-21 17:10 ` Arnd Bergmann
2011-05-21 17:46 ` Geert Uytterhoeven
2011-06-16 12:54 ` Mark Salter
2011-06-16 14:02 ` Arnd Bergmann
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