diff options
author | Patrick McHardy <kaber@trash.net> | 2015-06-02 12:53:10 +0200 |
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committer | Patrick McHardy <kaber@trash.net> | 2015-06-02 12:53:10 +0200 |
commit | 5764e58f0e0b3ace1b1c1cdb5c149a6c679ff6d6 (patch) | |
tree | 96ea2affa3b1e6d23bf90a22d942fe06d1e4d134 /src | |
parent | fd8a16b8517307514d1a9100c5dfd5098d1a52cb (diff) |
netlink_linearize: fix range cmp instruction generation
The LHS expression is generated twice and the register not properly released.
Fix by calling netlink_gen_range() before generating the LHS.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Diffstat (limited to 'src')
-rw-r--r-- | src/netlink_linearize.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/netlink_linearize.c b/src/netlink_linearize.c index 9bef67b3..0a0b6864 100644 --- a/src/netlink_linearize.c +++ b/src/netlink_linearize.c @@ -203,6 +203,9 @@ static void netlink_gen_cmp(struct netlink_linearize_ctx *ctx, assert(dreg == NFT_REG_VERDICT); + if (expr->right->ops->type == EXPR_RANGE) + return netlink_gen_range(ctx, expr, dreg); + sreg = get_register(ctx); netlink_gen_expr(ctx, expr->left, sreg); @@ -229,8 +232,6 @@ static void netlink_gen_cmp(struct netlink_linearize_ctx *ctx, right = expr->right->prefix; break; } - case EXPR_RANGE: - return netlink_gen_range(ctx, expr, dreg); default: right = expr->right; } |