Signed-off-by: Ethan Jackson <et...@nicira.com>
Reported-by: Guolin Yang <gy...@nicira.com>
---
lib/netdev.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/lib/netdev.c b/lib/netdev.c
index 088aea9..bf942a0 100644
--- a/lib/netdev.c
+++ b/lib/netdev.c
@@ -126,7 +126,9 @@ netdev_run(void)
ovs_rwlock_rdlock(&netdev_class_rwlock);
HMAP_FOR_EACH (rc, hmap_node, &netdev_classes) {
- rc->class->run();
+ if (rc->class->run) {
+ rc->class->run();
+ }
}
ovs_rwlock_unlock(&netdev_class_rwlock);
}
@@ -143,7 +145,9 @@ netdev_wait(void)
ovs_rwlock_rdlock(&netdev_class_rwlock);
HMAP_FOR_EACH (rc, hmap_node, &netdev_classes) {
- rc->class->wait();
+ if (rc->class->wait) {
+ rc->class->wait();
+ }
}
ovs_rwlock_unlock(&netdev_class_rwlock);
}
--
1.7.9.5
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