diff options
Diffstat (limited to 'src/expression.c')
| -rw-r--r-- | src/expression.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/src/expression.c b/src/expression.c index deb649e1..7390089c 100644 --- a/src/expression.c +++ b/src/expression.c @@ -879,17 +879,30 @@ static void concat_expr_print(const struct expr *expr, struct output_ctx *octx) #define NFTNL_UDATA_SET_KEY_CONCAT_SUB_DATA 1 #define NFTNL_UDATA_SET_KEY_CONCAT_SUB_MAX 2 +static struct expr *expr_build_udata_recurse(struct expr *e) +{ + switch (e->etype) { + case EXPR_BINOP: + return e->left; + default: + break; + } + + return e; +} + static int concat_expr_build_udata(struct nftnl_udata_buf *udbuf, const struct expr *concat_expr) { struct nftnl_udata *nest; + struct expr *expr, *tmp; unsigned int i = 0; - struct expr *expr; - list_for_each_entry(expr, &concat_expr->expressions, list) { + list_for_each_entry_safe(expr, tmp, &concat_expr->expressions, list) { struct nftnl_udata *nest_expr; int err; + expr = expr_build_udata_recurse(expr); if (!expr_ops(expr)->build_udata || i >= NFT_REG32_SIZE) return -1; |