Re: [PATCH] wireless: ipw2100: check result of kzalloc()

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On Tue, 2010-08-03 at 10:17 +0200, Dan Carpenter wrote:
> On Tue, Aug 03, 2010 at 03:10:22AM +0200, Christoph Fritz wrote:
> > If kzalloc() fails return with -ENOMEM from ipw2100_net_init() which is
> > called by register_netdev.
> > 
> > Signed-off-by: Christoph Fritz <chf.fritz@xxxxxxxxxxxxxx>
> > ---
> >  drivers/net/wireless/ipw2x00/ipw2100.c |    2 ++
> >  1 files changed, 2 insertions(+), 0 deletions(-)
> > 
> > diff --git a/drivers/net/wireless/ipw2x00/ipw2100.c b/drivers/net/wireless/ipw2x00/ipw2100.c
> > index 0bd4dfa..908c176 100644
> > --- a/drivers/net/wireless/ipw2x00/ipw2100.c
> > +++ b/drivers/net/wireless/ipw2x00/ipw2100.c
> > @@ -1924,6 +1924,8 @@ static int ipw2100_net_init(struct net_device *dev)
> >  		bg_band->channels =
> >  			kzalloc(geo->bg_channels *
> >  				sizeof(struct ieee80211_channel), GFP_KERNEL);
> > +		if (!bg_band->channels)
> 
> There should be an "ipw2100_down(priv);" on the error path here.

thanks for pointing this out, I'll add this.

> 
> > +			return -ENOMEM;
> >  		/* translate geo->bg to bg_band.channels */
> 


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