[PATCH nft] parser_bison: recursive table declaration in deprecated meter statement

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This is allowing for recursive table NAME declarations such as:

 ... table xyz1 table xyz2 { ... }

remove it.

Fixes: 3ed5e31f4a32 ("src: add flow statement")
Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
---
To be applied before:
https://patchwork.ozlabs.org/project/netfilter-devel/patch/20240704220554.277702-1-pablo@xxxxxxxxxxxxx/

 src/parser_bison.y | 20 ++++----------------
 1 file changed, 4 insertions(+), 16 deletions(-)

diff --git a/src/parser_bison.y b/src/parser_bison.y
index f3f71801643d..6b167080cd93 100644
--- a/src/parser_bison.y
+++ b/src/parser_bison.y
@@ -4212,10 +4212,11 @@ map_stmt		:	set_stmt_op	set_ref_expr '{' set_elem_expr_stmt	COLON	set_elem_expr_
 			}
 			;
 
-meter_stmt		:	flow_stmt_legacy_alloc		flow_stmt_opts	'{' meter_key_expr stmt '}'
+meter_stmt		:	flow_stmt_legacy_alloc		TABLE identifier	'{' meter_key_expr stmt '}'
 			{
-				$1->meter.key  = $4;
-				$1->meter.stmt = $5;
+				$1->meter.name = $3;
+				$1->meter.key  = $5;
+				$1->meter.stmt = $6;
 				$$->location  = @$;
 				$$ = $1;
 			}
@@ -4228,19 +4229,6 @@ flow_stmt_legacy_alloc	:	FLOW
 			}
 			;
 
-flow_stmt_opts		:	flow_stmt_opt
-			{
-				$<stmt>$	= $<stmt>0;
-			}
-			|	flow_stmt_opts		flow_stmt_opt
-			;
-
-flow_stmt_opt		:	TABLE			identifier
-			{
-				$<stmt>0->meter.name = $2;
-			}
-			;
-
 meter_stmt_alloc	:	METER	identifier		'{' meter_key_expr stmt '}'
 			{
 				$$ = meter_stmt_alloc(&@$);
-- 
2.30.2





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