Re: [patch] drivers/scsi/dpt_i2o.c: fix a NULL pointer dereference

From: Adrian Bunk
Date: Sun Nov 27 2005 - 13:52:41 EST


On Sun, Nov 27, 2005 at 10:47:38AM -0200, Marcelo Tosatti wrote:
> On Sun, Nov 27, 2005 at 12:36:37AM +0100, Adrian Bunk wrote:
> > The Coverity checker spotted this obvious NULL pointer dereference.
>
> Hi Adrian,

Hi Marcelo,

> Could you explain why you remove the adpt_post_wait_lock acquision?
>
> And if it does not belong there, why don't you remove it instead of
> commeting out?
>...

my patch does remove the following not required line:

> > - p2 = NULL;

It does not touch the following line that was already commented out:

> > // spin_lock_irqsave(&adpt_post_wait_lock, flags);
>...

cu
Adrian

--

"Is there not promise of rain?" Ling Tan asked suddenly out
of the darkness. There had been need of rain for many days.
"Only a promise," Lao Er said.
Pearl S. Buck - Dragon Seed

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