linux-kernel - Re: [PATCH] fs/eventpoll: error handling micro-cleanup

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Message-ID: <Pine.LNX.4.64.0610010900540.21285@alien.or.mcafeemobile.com>
Date:	Sun, 1 Oct 2006 09:04:19 -0700 (PDT)
From:	Davide Libenzi <davidel@...ilserver.org>
To:	Jeff Garzik <jeff@...zik.org>
cc:	Andrew Morton <akpm@...l.org>, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] fs/eventpoll: error handling micro-cleanup

On Sun, 1 Oct 2006, Jeff Garzik wrote:

> 
> While reviewing the 'may be used uninitialized' bogus gcc warnings,
> I noticed that an error code assignment was only needed if an error had
> actually occured.

But that saved one line of code, and there are countless occurences in the 
kernel of such code pattern ;)
In any case, fine by me and not worth further discussion.



> --- a/fs/eventpoll.c
> +++ b/fs/eventpoll.c
> @@ -720,9 +720,10 @@ static int ep_getfd(int *efd, struct ino
>  
>  	/* Allocates an inode from the eventpoll file system */
>  	inode = ep_eventpoll_inode();
> -	error = PTR_ERR(inode);
> -	if (IS_ERR(inode))
> +	if (IS_ERR(inode)) {
> +		error = PTR_ERR(inode);
>  		goto eexit_2;
> +	}
>  
>  	/* Allocates a free descriptor to plug the file onto */
>  	error = get_unused_fd();



- Davide


-
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