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authorPablo Neira Ayuso <pablo@netfilter.org>2019-07-05 23:38:54 +0200
committerPablo Neira Ayuso <pablo@netfilter.org>2019-07-06 08:37:36 +0200
commit0ef1efd1354d732d040f29b2005420f83fcdd8f4 (patch)
tree3ccecab23ef06ae80c4cc449ae33ff17edbf8947 /net/netfilter
parent9cff126f73a7025bcb0883189b2bed90010a57d4 (diff)
downloadlinux-0ef1efd1354d732d040f29b2005420f83fcdd8f4.tar.bz2
netfilter: nf_tables: force module load in case select_ops() returns -EAGAIN
nft_meta needs to pull in the nft_meta_bridge module in case that this is a bridge family rule from the select_ops() path. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net/netfilter')
-rw-r--r--net/netfilter/nf_tables_api.c6
-rw-r--r--net/netfilter/nft_meta.c4
2 files changed, 10 insertions, 0 deletions
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 5e97bf64975a..d22d00ca78c1 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -2144,6 +2144,12 @@ static int nf_tables_expr_parse(const struct nft_ctx *ctx,
(const struct nlattr * const *)info->tb);
if (IS_ERR(ops)) {
err = PTR_ERR(ops);
+#ifdef CONFIG_MODULES
+ if (err == -EAGAIN)
+ nft_expr_type_request_module(ctx->net,
+ ctx->family,
+ tb[NFTA_EXPR_NAME]);
+#endif
goto err1;
}
} else
diff --git a/net/netfilter/nft_meta.c b/net/netfilter/nft_meta.c
index 18a848b01759..417f8d32e9a3 100644
--- a/net/netfilter/nft_meta.c
+++ b/net/netfilter/nft_meta.c
@@ -519,6 +519,10 @@ nft_meta_select_ops(const struct nft_ctx *ctx,
if (tb[NFTA_META_DREG] && tb[NFTA_META_SREG])
return ERR_PTR(-EINVAL);
+#ifdef CONFIG_NF_TABLES_BRIDGE
+ if (ctx->family == NFPROTO_BRIDGE)
+ return ERR_PTR(-EAGAIN);
+#endif
if (tb[NFTA_META_DREG])
return &nft_meta_get_ops;