netfilter 04/09: x_tables: fix match/target revision lookup
authorPatrick McHardy <kaber@trash.net>
Mon, 12 Jan 2009 00:06:04 +0000 (00:06 +0000)
committerDavid S. Miller <davem@davemloft.net>
Tue, 13 Jan 2009 05:18:34 +0000 (21:18 -0800)
Commit 55b69e91 (netfilter: implement NFPROTO_UNSPEC as a wildcard
for extensions) broke revision probing for matches and targets that
are registered with NFPROTO_UNSPEC.

Fix by continuing the search on the NFPROTO_UNSPEC list if nothing
is found on the af-specific lists.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/netfilter/x_tables.c

index 89837a4eef7621e6678049fee3c096bf67de8acf..bfbf521f6ea5a4bba99387781d9033cba0ff30a1 100644 (file)
@@ -273,6 +273,10 @@ static int match_revfn(u8 af, const char *name, u8 revision, int *bestp)
                                have_rev = 1;
                }
        }
+
+       if (af != NFPROTO_UNSPEC && !have_rev)
+               return match_revfn(NFPROTO_UNSPEC, name, revision, bestp);
+
        return have_rev;
 }
 
@@ -289,6 +293,10 @@ static int target_revfn(u8 af, const char *name, u8 revision, int *bestp)
                                have_rev = 1;
                }
        }
+
+       if (af != NFPROTO_UNSPEC && !have_rev)
+               return target_revfn(NFPROTO_UNSPEC, name, revision, bestp);
+
        return have_rev;
 }