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From: Alexey Dobriyan <adobriyan@gmail.com>
To: Jani Nikula <ext-jani.1.nikula@nokia.com>
Cc: akpm@linux-foundation.org, linux-kernel@vger.kernel.org,
	ext-phil.2.carmody@nokia.com
Subject: Re: [PATCH] err.h: add __must_check to error pointer handlers
Date: Fri, 12 Mar 2010 20:40:56 +0200	[thread overview]
Message-ID: <20100312184056.GA4107@x200> (raw)
In-Reply-To: <1268401540-8994-1-git-send-email-ext-jani.1.nikula@nokia.com>

On Fri, Mar 12, 2010 at 03:45:40PM +0200, Jani Nikula wrote:
> Add __must_check to error pointer handlers to have the compiler warn
> about mistakes like:
> 
> 	if (err)
> 		ERR_PTR(err);

> -static inline void *ERR_PTR(long error)
> +static inline void * __must_check ERR_PTR(long error)

We had bugs like that?

Pretty much every non-void function should be marked then.

  reply	other threads:[~2010-03-12 18:40 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-03-12 13:45 Jani Nikula
2010-03-12 18:40 ` Alexey Dobriyan [this message]
2010-03-12 19:45   ` Phil Carmody

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