diff options
Diffstat (limited to 'net/ipv4/fib_semantics.c')
| -rw-r--r-- | net/ipv4/fib_semantics.c | 54 |
1 files changed, 28 insertions, 26 deletions
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c index 562f34cd9303..c29291b21009 100644 --- a/net/ipv4/fib_semantics.c +++ b/net/ipv4/fib_semantics.c @@ -707,6 +707,9 @@ struct fib_info *fib_create_info(struct fib_config *cfg) int nhs = 1; struct net *net = cfg->fc_nlinfo.nl_net; + if (cfg->fc_type > RTN_MAX) + goto err_inval; + /* Fast check to catch the most weird cases */ if (fib_props[cfg->fc_type].scope > cfg->fc_scope) goto err_inval; @@ -812,6 +815,17 @@ struct fib_info *fib_create_info(struct fib_config *cfg) if (cfg->fc_gw || cfg->fc_oif || cfg->fc_mp) goto err_inval; goto link_it; + } else { + switch (cfg->fc_type) { + case RTN_UNICAST: + case RTN_LOCAL: + case RTN_BROADCAST: + case RTN_ANYCAST: + case RTN_MULTICAST: + break; + default: + goto err_inval; + } } if (cfg->fc_scope > RT_SCOPE_HOST) @@ -915,35 +929,23 @@ int fib_semantic_match(struct fib_table *tb, struct list_head *head, if (fi->fib_flags & RTNH_F_DEAD) continue; - switch (fa->fa_type) { - case RTN_UNICAST: - case RTN_LOCAL: - case RTN_BROADCAST: - case RTN_ANYCAST: - case RTN_MULTICAST: - for_nexthops(fi) { - if (nh->nh_flags & RTNH_F_DEAD) - continue; - if (!flp->oif || flp->oif == nh->nh_oif) - break; - } + for_nexthops(fi) { + if (nh->nh_flags & RTNH_F_DEAD) + continue; + if (!flp->oif || flp->oif == nh->nh_oif) + break; + } #ifdef CONFIG_IP_ROUTE_MULTIPATH - if (nhsel < fi->fib_nhs) { - nh_sel = nhsel; - goto out_fill_res; - } + if (nhsel < fi->fib_nhs) { + nh_sel = nhsel; + goto out_fill_res; + } #else - if (nhsel < 1) - goto out_fill_res; + if (nhsel < 1) + goto out_fill_res; #endif - endfor_nexthops(fi); - continue; - - default: - pr_warning("fib_semantic_match bad type %#x\n", - fa->fa_type); - return -EINVAL; - } + endfor_nexthops(fi); + continue; } return err; } |