Re: Fix seq_clientmgr dereferences before NULL check

From: Eugene Teo
Date: Thu Mar 16 2006 - 07:14:53 EST


<quote sender="Takashi Iwai">
> At Thu, 16 Mar 2006 09:46:06 +0800,
> Eugene Teo wrote:
> >
> > Fix cptr->pool dereferences before NULL check.
>
> cptr->pool must be non-NULL there, so just the if (cptr->pool) is
> superfluous.

Resend.

Eugene

--
cptr->pool must be non-NULL there, so just the if (cptr->pool) is
superfluous. Thanks Takashi.

Signed-off-by: Eugene Teo <eugene.teo@xxxxxxxxxxxxx>

--- 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 20:14:29.000000000 +0800
@@ -1866,8 +1866,7 @@ static int snd_seq_ioctl_get_client_pool
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); }

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/