[PATCH 2.6.29] libertas rx.c -- fix memory leak in rx.c

Dan Williams dcbw at redhat.com
Mon Apr 6 16:44:11 EDT 2009


On Mon, 2009-04-06 at 16:38 -0400, Dan Williams wrote:
> On Wed, 2009-04-01 at 13:38 -0700, Philip Rakity wrote:
> > 
> > if there is an error then routine lbs_process_rxed_packet in rx.c does not free the skb.
> > 
> > signed off by: prakity at yahoo.com
> 
> Looks good; though could you re-send to both

Actually looks like it should be "dev_kfree_skb(skb);" instead of just
"kfree_skb(skb);" too.  Use dev_kfree_skb() where the driver used
dev_alloc_skb().

Thanks,
Dan


> linux-wireless at vger.kernel.org and stable at vger.kernel.org, and use the
> following subject:
> 
> [PATCH] libertas: don't leak skb on receive error
> 
> and also format the signed-off-by like so:
> 
> Signed-off-by: Philip Rakity <prakity at yahoo.com>
> 
> Then it should get into both the next major kernel and the current
> stable kernels too.
> 
> Thanks!
> Dan
> 
> 
> > diff -ru linux-2.6.29/drivers/net/wireless/libertas/rx.c.old linux-2.6.29/drivers/net/wireless/libertas/rx.c 
> > --- linux-2.6.29/drivers/net/wireless/libertas/rx.c.old    2009-04-01 13:19:26.000000000 -0700
> > +++ linux-2.6.29/drivers/net/wireless/libertas/rx.c    2009-04-01 13:19:57.000000000 -0700
> > @@ -170,6 +170,7 @@
> >          lbs_deb_rx("rx err: frame received with bad length\n");
> >          priv->stats.rx_length_errors++;
> >          ret = 0;
> > +        kfree_skb(skb);
> >          goto done;
> >      }
> >  
> > @@ -181,6 +182,7 @@
> >          lbs_pr_alert("rxpd not ok\n");
> >          priv->stats.rx_errors++;
> >          ret = 0;
> > +        kfree_skb(skb);
> >          goto done;
> >      }
> > 
> > 
> >       
> > 
> > _______________________________________________
> > libertas-dev mailing list
> > libertas-dev at lists.infradead.org
> > http://lists.infradead.org/mailman/listinfo/libertas-dev
> 
> 
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