src: expr: add expression etype

Temporary kludge to remove all the expr->ops->type == ... patterns.
Followup patch will remove expr->ops, and make expr_ops() lookup
the correct expr_ops struct instead to reduce struct expr size.

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

1 files changed, 1 insertions, 1 deletions

diff --git a/src/tcpopt.c b/src/tcpopt.c
index 66f021f9..52c8c07c 100644
--- a/src/tcpopt.c
+++ b/src/tcpopt.c
@@ -197,7 +197,7 @@ void tcpopt_init_raw(struct expr *expr, uint8_t type, unsigned int offset,
 	const struct proto_hdr_template *tmpl;
 	unsigned int i, off;
 
-	assert(expr->ops->type == EXPR_EXTHDR);
+	assert(expr->etype == EXPR_EXTHDR);
 
 	expr->len = len;
 	expr->exthdr.flags = flags;