From: Alan Dewar <ade...@brocade.com>
Prevent a segmentation fault in rte_sched_port_free by only accessing
the port structure after the NULL pointer check has been made.
Fixes: 7b3c4f35 ("sched: fix releasing enqueued packets")
Signed-off-by: Alan Dewar <ade...@brocade.com>
Signed-off-by: Jan Blunck <jblu...@infradead.org>
---
lib/librte_sched/rte_sched.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/lib/librte_sched/rte_sched.c b/lib/librte_sched/rte_sched.c
index e6dace2..614705d 100644
--- a/lib/librte_sched/rte_sched.c
+++ b/lib/librte_sched/rte_sched.c
@@ -735,12 +735,14 @@ void
rte_sched_port_free(struct rte_sched_port *port)
{
uint32_t qindex;
- uint32_t n_queues_per_port = rte_sched_port_queues_per_port(port);
+ uint32_t n_queues_per_port;
/* Check user parameters */
if (port == NULL)
return;
+ n_queues_per_port = rte_sched_port_queues_per_port(port);
+
/* Free enqueued mbufs */
for (qindex = 0; qindex < n_queues_per_port; qindex++) {
struct rte_mbuf **mbufs = rte_sched_port_qbase(port, qindex);
--
2.7.4
