All API's should check that they support the flag values
passed. If an application passes an invalid flag it could
cause problems in later ABI.
Signed-off-by: Stephen Hemminger <step...@networkplumber.org>
---
lib/librte_cfgfile/rte_cfgfile.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/lib/librte_cfgfile/rte_cfgfile.c b/lib/librte_cfgfile/rte_cfgfile.c
index 9049fd9c2319..cec82c82ee20 100644
--- a/lib/librte_cfgfile/rte_cfgfile.c
+++ b/lib/librte_cfgfile/rte_cfgfile.c
@@ -272,6 +272,10 @@ rte_cfgfile_create(int flags)
int i;
struct rte_cfgfile *cfg;
+ /* future proof flags usage */
+ if (flags & ~(CFG_FLAG_GLOBAL_SECTION | CFG_FLAG_EMPTY_VALUES))
+ return NULL;
+
cfg = malloc(sizeof(*cfg));
if (cfg == NULL)
--
2.20.1
