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From: Hari Kumar Vemula <hari.kumarx.vemula@intel.com>
To: dev@dpdk.org
Cc: reshma.pattan@intel.com, byron.marohn@intel.com,
pablo.de.lara.guarch@intel.com,
Hari Kumar Vemula <hari.kumarx.vemula@intel.com>, stable@dpdk.org
Date: Tue, 13 Nov 2018 11:45:33 +0000
Message-Id: <1542109533-14283-1-git-send-email-hari.kumarx.vemula@intel.com>
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Subject: [dpdk-stable] [PATCH] lib: fix to free trail queue entry after use
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In rte_efd_create() allocated memory for trail queue entry but
not freed.
Added freeing the trail queue entry.
Fixes: 56b6ef874f80 ("efd: new Elastic Flow Distributor library")
Cc: stable@dpdk.org
Signed-off-by: Hari Kumar Vemula <hari.kumarx.vemula@intel.com>
---
lib/librte_efd/rte_efd.c | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/lib/librte_efd/rte_efd.c b/lib/librte_efd/rte_efd.c
index a780e2fe8..f8c6c447f 100644
--- a/lib/librte_efd/rte_efd.c
+++ b/lib/librte_efd/rte_efd.c
@@ -739,17 +739,38 @@ void
rte_efd_free(struct rte_efd_table *table)
{
uint8_t socket_id;
+ struct rte_efd_list *efd_list = NULL;
+ struct rte_tailq_entry *te;
if (table == NULL)
return;
+ efd_list = RTE_TAILQ_CAST(rte_efd_tailq.head, rte_efd_list);
+
for (socket_id = 0; socket_id < RTE_MAX_NUMA_NODES; socket_id++)
rte_free(table->chunks[socket_id]);
+ rte_rwlock_write_lock(RTE_EAL_TAILQ_RWLOCK);
+
+ /* find our tailq entry */
+ TAILQ_FOREACH(te, efd_list, next) {
+ if (te->data == (void *) table)
+ break;
+ }
+
+ if (te == NULL) {
+ rte_rwlock_write_unlock(RTE_EAL_TAILQ_RWLOCK);
+ return;
+ }
+
+ TAILQ_REMOVE(efd_list, te, next);
+ rte_rwlock_write_unlock(RTE_EAL_TAILQ_RWLOCK);
+
rte_ring_free(table->free_slots);
rte_free(table->offline_chunks);
rte_free(table->keys);
rte_free(table);
+ rte_free(te);
}
/**
--
2.13.6