From: Ursula Braun <ubraun@linux.vnet.ibm.com>
To: Stefan Weil <weil@mail.berlios.de>
Cc: linux390@de.ibm.com, Ursula Braun <ursula.braun@de.ibm.com>,
Frank Blaschka <blaschka@linux.vnet.ibm.com>,
Martin Schwidefsky <schwidefsky@de.ibm.com>,
Heiko Carstens <heiko.carstens@de.ibm.com>,
linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/2] s390: Fix wrong size in memcmp (netiucv)
Date: Mon, 31 Jan 2011 11:37:25 +0100 [thread overview]
Message-ID: <1296470245.9948.20.camel@braunu-laptop> (raw)
In-Reply-To: <1296336808-2809-1-git-send-email-weil@mail.berlios.de>
Ack - thanks, Stefan.
We have added your netiucv patch to our local repository. It will be
part of our next patch collection submitted to Dave Miller for upstream
integration.
Regards, Ursula
On Sat, 2011-01-29 at 22:33 +0100, Stefan Weil wrote:
> This error was reported by cppcheck:
> drivers/s390/net/netiucv.c:568: error: Using sizeof for array given as function argument returns the size of pointer.
>
> sizeof(ipuser) did not result in 16 (as many programmers would have
> expected) but sizeof(u8 *), so it is 4 or 8, too small here.
>
> Cc: Ursula Braun <ursula.braun@de.ibm.com>
> Cc: linux390@de.ibm.com
> Cc: Frank Blaschka <blaschka@linux.vnet.ibm.com>
> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
> Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
> Cc: linux-s390@vger.kernel.org
> Cc: linux-kernel@vger.kernel.org
> Signed-off-by: Stefan Weil <weil@mail.berlios.de>
> ---
> drivers/s390/net/netiucv.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/s390/net/netiucv.c b/drivers/s390/net/netiucv.c
> index 65ebee0..b6a6356 100644
> --- a/drivers/s390/net/netiucv.c
> +++ b/drivers/s390/net/netiucv.c
> @@ -565,7 +565,7 @@ static int netiucv_callback_connreq(struct iucv_path *path,
> struct iucv_event ev;
> int rc;
>
> - if (memcmp(iucvMagic, ipuser, sizeof(ipuser)))
> + if (memcmp(iucvMagic, ipuser, 16))
> /* ipuser must match iucvMagic. */
> return -EINVAL;
> rc = -EINVAL;
prev parent reply other threads:[~2011-01-31 10:37 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-29 21:33 [PATCH 1/2] s390: Fix wrong size in memcmp (netiucv) Stefan Weil
2011-01-29 21:33 ` [PATCH 2/2] s390: Fix possibly wrong size in strncmp (smsglucv) Stefan Weil
2011-01-29 21:38 ` Jesper Juhl
2011-01-29 22:08 ` Andreas Schwab
2011-01-29 23:00 ` Stefan Weil
2011-01-30 12:01 ` Geert Uytterhoeven
2011-01-31 10:44 ` Ursula Braun
2011-01-31 10:37 ` Ursula Braun [this message]
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