From: Eugene Teo <eugene.teo@eugeneteo.net>
To: linux-kernel@vger.kernel.org
Cc: Frank van de Pol <fvdpol@coil.demon.nl>,
Jaroslav Kysela <perex@suse.cz>, Takashi Iwai <tiwai@suse.de>
Subject: Fix seq_clientmgr dereferences before NULL check
Date: Thu, 16 Mar 2006 09:46:06 +0800 [thread overview]
Message-ID: <20060316014606.GA20609@eugeneteo.net> (raw)
Fix cptr->pool dereferences before NULL check.
Coverity bug #860
Signed-off-by: Eugene Teo <eugene.teo@eugeneteo.net>
--- linux-2.6/sound/core/seq/seq_clientmgr.c~ 2006-03-15 10:05:45.000000000 +0800
+++ linux-2.6/sound/core/seq/seq_clientmgr.c 2006-03-16 09:41:05.000000000 +0800
@@ -1862,12 +1862,13 @@
cptr = snd_seq_client_use_ptr(info.client);
if (cptr == NULL)
return -ENOENT;
+ if (cptr->pool == NULL)
+ return -ENOENT;
memset(&info, 0, sizeof(info));
info.output_pool = cptr->pool->size;
info.output_room = cptr->pool->room;
info.output_free = info.output_pool;
- if (cptr->pool)
- info.output_free = snd_seq_unused_cells(cptr->pool);
+ info.output_free = snd_seq_unused_cells(cptr->pool);
if (cptr->type == USER_CLIENT) {
info.input_pool = cptr->data.user.fifo_pool_size;
info.input_free = info.input_pool;
--
1024D/A6D12F80 print D51D 2633 8DAC 04DB 7265 9BB8 5883 6DAA A6D1 2F80
main(i) { putchar(182623909 >> (i-1) * 5&31|!!(i<7)<<6) && main(++i); }
next reply other threads:[~2006-03-16 1:47 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-03-16 1:46 Eugene Teo [this message]
2006-03-16 10:56 ` Takashi Iwai
2006-03-16 12:17 ` Eugene Teo
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