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From: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
To: Richard Weinberger <richard@nod.at>
Cc: Artem Bityutskiy <dedekind1@gmail.com>,
	David Woodhouse <dwmw2@infradead.org>,
	Brian Norris <computersforpeace@gmail.com>,
	linux-kernel@vger.kernel.org, linux-mtd@lists.infradead.org
Subject: Re: [PATCH] UBI: fix return error code
Date: Wed, 9 Dec 2015 17:32:17 +0530	[thread overview]
Message-ID: <20151209120217.GE24852@sudip-pc> (raw)
In-Reply-To: <564EF353.2050806@nod.at>

On Fri, Nov 20, 2015 at 11:17:55AM +0100, Richard Weinberger wrote:
> Am 20.11.2015 um 11:14 schrieb Sudip Mukherjee:
> > We are checking dfs_rootdir for error value or NULL. But in the
> > conditional ternary operator we returned -ENODEV if dfs_rootdir contains
> > an error value and returned PTR_ERR(dfs_rootdir) if dfs_rootdir is NULL.
> > So in the case of dfs_rootdir being NULL we actually assigned 0 to err
> > and returned it to the caller implying a success.
> > Lets return -ENODEV when dfs_rootdir is NULL else return
> > PTR_ERR(dfs_rootdir).
> > 
> > Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
> > ---
> >  drivers/mtd/ubi/debug.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/drivers/mtd/ubi/debug.c b/drivers/mtd/ubi/debug.c
> > index b077e43..c4cb15a 100644
> > --- a/drivers/mtd/ubi/debug.c
> > +++ b/drivers/mtd/ubi/debug.c
> > @@ -236,7 +236,7 @@ int ubi_debugfs_init(void)
> >  
> >  	dfs_rootdir = debugfs_create_dir("ubi", NULL);
> >  	if (IS_ERR_OR_NULL(dfs_rootdir)) {
> > -		int err = dfs_rootdir ? -ENODEV : PTR_ERR(dfs_rootdir);
> > +		int err = dfs_rootdir ? PTR_ERR(dfs_rootdir) : -ENODEV;
> >  
> 
> Nice catch!

Hi Richard,
It is still not on linus-next. Did you miss it?

regards
sudip

  reply	other threads:[~2015-12-09 12:02 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-11-20 10:14 [PATCH] UBI: fix return error code Sudip Mukherjee
2015-11-20 10:17 ` Richard Weinberger
2015-12-09 12:02   ` Sudip Mukherjee [this message]
2015-12-09 12:07     ` Richard Weinberger

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