[dpdk-stable] patch 'net/pcap: fix memory leak in dumper open' has been queued to stable release 17.08.1
Yuanhan Liu
yliu at fridaylinux.org
Tue Nov 21 14:18:47 CET 2017
Hi,
FYI, your patch has been queued to stable release 17.08.1
Note it hasn't been pushed to http://dpdk.org/browse/dpdk-stable yet.
It will be pushed if I get no objections before 11/24/17. So please
shout if anyone has objections.
Thanks.
--yliu
---
>From 3367368167c948ddd0f5ae016962b62c176d95a1 Mon Sep 17 00:00:00 2001
From: Stefan Baranoff <sbaranoff at gmail.com>
Date: Sun, 5 Nov 2017 12:24:45 -0500
Subject: [PATCH] net/pcap: fix memory leak in dumper open
[ upstream commit e59196e01c1456e8ea0e9b2056651ef64dc17b78 ]
In open_single_tx_pcap there is a call to pcap_open_dead which calls
malloc to create and return a pcap_t. That object is never freed in
this case. Other places it is freed by passing it back similar to the
way the pcap_dumper_t is in this case.
The pcap_t is only used to create the pcap_dumper_t and is never used
again so freeing it here is safe and much simpler than trying to pass
it back to be freed in eth_dev_stop along with the other
pcap_t/pcap_dumper_t objects.
Fixes: 4c173302c307 ("pcap: add new driver")
Signed-off-by: Stefan Baranoff <sbaranoff at gmail.com>
Acked-by: Ferruh Yigit <ferruh.yigit at intel.com>
---
drivers/net/pcap/rte_eth_pcap.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/net/pcap/rte_eth_pcap.c b/drivers/net/pcap/rte_eth_pcap.c
index defb3b4..d6d4f8e 100644
--- a/drivers/net/pcap/rte_eth_pcap.c
+++ b/drivers/net/pcap/rte_eth_pcap.c
@@ -411,11 +411,13 @@ open_single_tx_pcap(const char *pcap_filename, pcap_dumper_t **dumper)
/* The dumper is created using the previous pcap_t reference */
*dumper = pcap_dump_open(tx_pcap, pcap_filename);
if (*dumper == NULL) {
+ pcap_close(tx_pcap);
RTE_LOG(ERR, PMD, "Couldn't open %s for writing.\n",
pcap_filename);
return -1;
}
+ pcap_close(tx_pcap);
return 0;
}
--
2.7.4
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