From: Clemens Ladisch <clemens@ladisch.de>
To: Mathieu Monney <zittix_all@xwaves.net>
Cc: alsa-devel@alsa-project.org
Subject: Re: ioctl(arg) - uninitialised byte(s) in alsa lib
Date: Wed, 12 Mar 2008 13:15:43 +0100 [thread overview]
Message-ID: <47D7C96F.8010109@ladisch.de> (raw)
In-Reply-To: <47D7C358.6050401@xwaves.net>
Mathieu Monney wrote:
> I'm currently working on a small audio stack on top of alsa and I'm
> getting some "Syscall param ioctl(arg) contains uninitialized byte(s)"
> errors when I run my program using valgrind.
>
> ==14279== by 0x40DE911: snd_pcm_prepare (in /usr/lib/libasound.so.2.0.0)
The ioctl call is in src/pcm/pcm_hw.c:
if (ioctl(fd, SNDRV_PCM_IOCTL_PREPARE) < 0) {
Apparently, valgrind doesn't detect the cases where there is no third
argument.
Regards,
Clemens
prev parent reply other threads:[~2008-03-12 12:14 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-12 11:49 ioctl(arg) - uninitialised byte(s) in alsa lib Mathieu Monney
2008-03-12 12:15 ` Clemens Ladisch [this message]
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