RE: [patch] rapidio: potential null deref on failure path
From: Bounine, Alexandre
Date: Mon Mar 21 2011 - 11:15:45 EST
In this case I agree.
Do you want me to move this patch up or you have your own path for it?
From: Dan Carpenter [mailto:error27@xxxxxxxxx]
Sent: Monday, March 21, 2011 11:00 AM
To: Bounine, Alexandre
Cc: Matt Porter; linux-kernel@xxxxxxxxxxxxxxx;
Subject: Re: [patch] rapidio: potential null deref on failure path
On Mon, Mar 21, 2011 at 05:49:06AM -0700, Bounine, Alexandre wrote:
> Better to combine both conditions:
> if (rio_is_switch(rdev) && rswitch->route_table))
> Because there is situation when routine fails to allocate route_table
> for a switch.
kfree() accepts NULL pointers. People have been removing these checks
all over the tree by the hundreds... Sorry I should have mentioned
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