diff options
author | Jan Engelhardt <jengelh@medozas.de> | 2010-03-19 17:32:59 +0100 |
---|---|---|
committer | Jan Engelhardt <jengelh@medozas.de> | 2010-03-25 16:56:09 +0100 |
commit | 4a5a5c73b7cfee46a0b1411903cfa0dea532deec (patch) | |
tree | 3f7ef0def4adf3a01e15ab3a2a7231967b87bfee /net/netfilter/xt_connmark.c | |
parent | d6b00a5345ce4e86e8b00a88bb84a2c0c1f69ddc (diff) |
netfilter: xtables: slightly better error reporting
When extended status codes are available, such as ENOMEM on failed
allocations, or subsequent functions (e.g. nf_ct_get_l3proto), passing
them up to userspace seems like a good idea compared to just always
EINVAL.
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
Diffstat (limited to 'net/netfilter/xt_connmark.c')
-rw-r--r-- | net/netfilter/xt_connmark.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/net/netfilter/xt_connmark.c b/net/netfilter/xt_connmark.c index e137af5559e0..71e38a1fd656 100644 --- a/net/netfilter/xt_connmark.c +++ b/net/netfilter/xt_connmark.c @@ -76,10 +76,13 @@ connmark_tg(struct sk_buff *skb, const struct xt_target_param *par) static int connmark_tg_check(const struct xt_tgchk_param *par) { - if (nf_ct_l3proto_try_module_get(par->family) < 0) { + int ret; + + ret = nf_ct_l3proto_try_module_get(par->family); + if (ret < 0) { pr_info("cannot load conntrack support for proto=%u\n", par->family); - return -EINVAL; + return ret; } return 0; } @@ -105,10 +108,13 @@ connmark_mt(const struct sk_buff *skb, const struct xt_match_param *par) static int connmark_mt_check(const struct xt_mtchk_param *par) { - if (nf_ct_l3proto_try_module_get(par->family) < 0) { + int ret; + + ret = nf_ct_l3proto_try_module_get(par->family); + if (ret < 0) { pr_info("cannot load conntrack support for proto=%u\n", par->family); - return -EINVAL; + return ret; } return 0; } |