linux-kernel - Re: [PATCH] airo.c: check returned values

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Date:	Mon, 06 Nov 2006 02:57:31 -0500
From:	Jeff Garzik <jgarzik@...ox.com>
To:	Florin Malita <fmalita@...il.com>
CC:	akpm@...l.org, linville@...driver.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] airo.c: check returned values

Florin Malita wrote:
> create_proc_entry() can fail and return NULL in setup_proc_entry(), the
> result must be checked before dereferencing. (Coverity ID 1443)
> 
> init_wifidev() & setup_proc_entry() can also fail in _init_airo_card().
> 
> This adds the checks & cleanup code and removes some whitespace.
> 
> Signed-off-by: Florin Malita <fmalita@...il.com>

NAK:  create_proc_entry() is complicated.  You are correct it can fail 
-- but to add to the confusion, when CONFIG_PROC_FS is disabled, the 
wrapper will also return NULL -- which is NOT a failure case.

	Jeff



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