parser: reject zero-length interface names in flowtables

Previous patch wasn't enough, also disable this for flowtable device lists.

Signed-off-by: Florian Westphal <fw@strlen.de>

1 files changed, 5 insertions, 0 deletions

diff --git a/tests/shell/testcases/bogons/nft-f/zero_length_devicename_flowtable_assert b/tests/shell/testcases/bogons/nft-f/zero_length_devicename_flowtable_assert
new file mode 100644
index 00000000..2c3e6c3f
--- /dev/null
+++ b/tests/shell/testcases/bogons/nft-f/zero_length_devicename_flowtable_assert
@@ -0,0 +1,5 @@
+table t {
+	flowtable f {
+		devices = { """"lo }
+	}
+}