[RFC,4/4] cfgfile: check flags value
diff mbox series

Message ID 20200212230810.2837-5-stephen@networkplumber.org
State Superseded, archived
Delegated to: Thomas Monjalon
Headers show
Series
  • Enforce flag checking in API's
Related show

Checks

Context Check Description
ci/Intel-compilation success Compilation OK
ci/checkpatch warning coding style issues

Commit Message

Stephen Hemminger Feb. 12, 2020, 11:08 p.m. UTC
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 <stephen@networkplumber.org>
---
 lib/librte_cfgfile/rte_cfgfile.c | 4 ++++
 1 file changed, 4 insertions(+)

Patch
diff mbox series

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)