From: miter <mit...@outlook.com>
Ofproto_class_find__() may return NULL, and dereference it to cause
segfault.
Tested-by: Zhang YuHuang <zhangyuhu...@ruijie.com.cn>
Signed-off-by: Lin Huang <linhu...@ruijie.com.cn>
---
ofproto/ofproto.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/ofproto/ofproto.c b/ofproto/ofproto.c
index 122a06f30..21c6a1d82 100644
--- a/ofproto/ofproto.c
+++ b/ofproto/ofproto.c
@@ -800,7 +800,7 @@ ofproto_type_set_config(const char *datapath_type, const
struct smap *cfg)
datapath_type = ofproto_normalize_type(datapath_type);
class = ofproto_class_find__(datapath_type);
- if (class->type_set_config) {
+ if (class && class->type_set_config) {
class->type_set_config(datapath_type, cfg);
}
}
--
2.39.3
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