On Fri, Apr 20, 2018 at 03:39:46PM +0300, Andy Shevchenko wrote:
> On Wed, 2018-04-18 at 15:35 +0530, Amit Pundir wrote:
> 
> >             if (skb->data[transaction->aid_len + 2] !=
> > -               NFC_EVT_TRANSACTION_PARAMS_TAG)
> > +               NFC_EVT_TRANSACTION_PARAMS_TAG ||
> > +               skb->len < transaction->aid_len + transaction-
> > >params_len + 4) {
> 
> > +                   devm_kfree(dev, transaction);
> 
> Oh, no.
> 
> This is not memory leak per se, this is bad choice of devm_ API where it
> should use plain kmalloc() / kfree().

Also, there is no check to see if the allocation worked at all.

Mark
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