[dpdk-dev] [PATCH v2] af_packet: Fix some klocwork errors

[Ouyang, Changchun]

> -----Original Message-----
> From: Neil Horman [mailto:nhorman at tuxdriver.com]
> Sent: Friday, February 27, 2015 10:05 PM
> To: Ouyang, Changchun
> Cc: dev at dpdk.org
> Subject: Re: [dpdk-dev] [PATCH v2] af_packet: Fix some klocwork errors
> 
> On Fri, Feb 27, 2015 at 08:49:13AM +0800, Ouyang Changchun wrote:
> > Fix possible memory leak issue: free kvlist before return; Fix
> > possible resource lost issue: close qssockfd before return;
> >
> > Signed-off-by: Changchun Ouyang <changchun.ouyang at intel.com>
> > ---
> > change in v2:
> >   - Make the error exit point a common path.
> >
> >  lib/librte_pmd_af_packet/rte_eth_af_packet.c | 11 +++++++++--
> >  1 file changed, 9 insertions(+), 2 deletions(-)
> >
> > diff --git a/lib/librte_pmd_af_packet/rte_eth_af_packet.c
> > b/lib/librte_pmd_af_packet/rte_eth_af_packet.c
> > index 80e9bdf..c675724 100644
> > --- a/lib/librte_pmd_af_packet/rte_eth_af_packet.c
> > +++ b/lib/librte_pmd_af_packet/rte_eth_af_packet.c
> > @@ -694,6 +694,8 @@ error:
> >  		}
> >  		rte_free(*internals);
> >  	}
> > +	if (qsockfd != -1)
> > +		close(qsockfd);
> This is insufficient.  qsockfd is a loop index that is reassigned for each tx
> queue we have.  In the error path you need to do this, and loop through the
> tx queues, closing each tx_queue->sockfd.
> 

Thanks, will have a v3 to resolve it.
Changchun