linux-kernel - Re: [PATCH 18/21] ide-floppy: fix error handling in idefloppy

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Date:	Sat, 12 Jan 2008 22:12:36 +0100
From:	Borislav Petkov <bbpetkov@...oo.de>
To:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
Cc:	linux-kernel@...r.kernel.org, linux-ide@...r.kernel.org
Subject: Re: [PATCH 18/21] ide-floppy: fix error handling in
	idefloppy_probe()

On Sat, Jan 12, 2008 at 09:18:01PM +0100, Bartlomiej Zolnierkiewicz wrote:
> On Friday 11 January 2008, Borislav Petkov wrote:
> > Signed-off-by: Borislav Petkov <bbpetkov@...oo.de>
> > ---
> >  drivers/ide/ide-floppy.c |    3 ++-
> >  1 files changed, 2 insertions(+), 1 deletions(-)
> > 
> > diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c
> > index 89b26ea..0729df5 100644
> > --- a/drivers/ide/ide-floppy.c
> > +++ b/drivers/ide/ide-floppy.c
> > @@ -1737,7 +1737,8 @@ static int ide_floppy_probe(ide_drive_t *drive)
> >  				" emulation.\n", drive->name);
> >  		goto failed;
> >  	}
> > -	if ((floppy = kzalloc(sizeof (idefloppy_floppy_t), GFP_KERNEL)) == NULL) {
> > +	floppy = kzalloc(sizeof(idefloppy_floppy_t), GFP_KERNEL);
> > +	if (!floppy) {
> >  		printk(KERN_ERR "ide-floppy: %s: Can't allocate a floppy"
> >  				" structure\n", drive->name);
> >  		goto failed;
> 
> I'm unable to see any problem with error handling here?

I changed it simply because checkpatch.pl complains so:

ERROR: do not use assignment in if condition (+ if ((floppy = kzalloc(sizeof(idefloppy_floppy_t), GFP_KERNEL)) == NULL))
#1740: FILE: home/boris/tmp/ide-floppy.c:1740:
+       if ((floppy = kzalloc(sizeof (idefloppy_floppy_t), GFP_KERNEL)) == NULL)
{

> This change should be combined with the rest of checkpatch.pl fixes.
ok.

-- 
Regards/Gruß,
    Boris.
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