src: expr: remove expr_ops from struct expr

size of struct expr changes from 144 to 128 bytes on x86_64.
This doesn't look like much, but large rulesets can have tens of thousands
of expressions (each set element is represented by an expression).

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

1 files changed, 1 insertions, 1 deletions

diff --git a/src/parser_json.c b/src/parser_json.c
index 3a9a3798..d00cf422 100644
--- a/src/parser_json.c
+++ b/src/parser_json.c
@@ -2683,7 +2683,7 @@ static struct cmd *json_parse_cmd_add_element(struct json_ctx *ctx,
 static struct expr *json_parse_flowtable_devs(struct json_ctx *ctx,
 					      json_t *root)
 {
-	struct expr *tmp, *expr = compound_expr_alloc(int_loc, NULL);
+	struct expr *tmp, *expr = compound_expr_alloc(int_loc, EXPR_INVALID);
 	const char *dev;
 	json_t *value;
 	size_t index;