[dpdk-dev] [PATCH] pcap: fix memory leak in jumbo frames
Dror Birkman
dror.birkman at lightcyber.com
Tue Sep 20 13:16:48 CEST 2016
Cool!
Adding fixline:
If rte_pktmbuf_alloc() fails on any segment that is not the initial
segment, previously allocated mbufs are not freed.
Fixes: 6db141c91e1f ("pcap: support jumbo frames")
Signed-off-by: Dror Birkman <dror.birkman at lightcyber.com>
---
drivers/net/pcap/rte_eth_pcap.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/net/pcap/rte_eth_pcap.c b/drivers/net/pcap/rte_eth_
pcap.c
index b7a3b03..db19a66 100644
--- a/drivers/net/pcap/rte_eth_pcap.c
+++ b/drivers/net/pcap/rte_eth_pcap.c
@@ -229,8 +229,10 @@ eth_pcap_rx(void *queue,
if (unlikely(eth_pcap_rx_jumbo(pcap_q->mb_pool,
mbuf,
packet,
- header.caplen) == -1))
+ header.caplen) == -1)) {
+ rte_pktmbuf_free(mbuf);
break;
+ }
}
mbuf->pkt_len = (uint16_t)header.caplen;
--
2.3.0
On Tue, Sep 20, 2016 at 1:58 PM, Yuanhan Liu <yuanhan.liu at linux.intel.com>
wrote:
> On Tue, Sep 20, 2016 at 01:39:23PM +0300, Dror Birkman wrote:
> > If rte_pktmbuf_alloc() fails on any segment that is not the initial
> > segment, previously allocated mbufs are not freed.
>
> You should put a "fixline" here.
>
> Besides that, I think it's a good candidate for stable branch. Thus,
> stable at dpdk.org cc'ed.
>
> --yliu
>
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