1 files changed, 4 insertions, 8 deletions

diff --git a/net/dccp/feat.c b/net/dccp/feat.c
index 5ebdd86c1b99..084744e624d3 100644
--- a/net/dccp/feat.c
+++ b/net/dccp/feat.c
@@ -24,11 +24,7 @@ int dccp_feat_change(struct dccp_minisock *dmsk, u8 type, u8 feature,
 
         dccp_feat_debug(type, feature, *val);
 
-        if (!dccp_feat_is_valid_type(type)) {
-                DCCP_WARN("option type %d invalid in negotiation\n", type);
-                return 1;
-        }
-        if (!dccp_feat_is_valid_length(type, feature, len)) {
+        if (len > 3) {
                 DCCP_WARN("invalid length %d\n", len);
                 return 1;
         }
@@ -637,12 +633,12 @@ const char *dccp_feat_name(const u8 feat)
                 [DCCPF_MIN_CSUM_COVER]  = "Min. Csum Coverage",
                 [DCCPF_DATA_CHECKSUM]   = "Send Data Checksum",
         };
+        if (feat > DCCPF_DATA_CHECKSUM && feat < DCCPF_MIN_CCID_SPECIFIC)
+                return feature_names[DCCPF_RESERVED];
+
         if (feat >= DCCPF_MIN_CCID_SPECIFIC)
                 return "CCID-specific";
 
-        if (dccp_feat_is_reserved(feat))
-                return feature_names[DCCPF_RESERVED];
-
         return feature_names[feat];
 }