net: filter: Use WARN_RATELIMIT
authorJoe Perches <joe@perches.com>
Sat, 21 May 2011 07:48:40 +0000 (07:48 +0000)
committerDavid S. Miller <davem@davemloft.net>
Mon, 23 May 2011 21:37:43 +0000 (17:37 -0400)
A mis-configured filter can spam the logs with lots of stack traces.

Rate-limit the warnings and add printout of the bogus filter information.

Original-patch-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/core/filter.c

index 0eb8c4466eaa001bad837087e72df34685778c9a..0e3622f1dcb1eac6b3eea810e32806edf669d497 100644 (file)
@@ -350,7 +350,9 @@ load_b:
                        continue;
                }
                default:
-                       WARN_ON(1);
+                       WARN_RATELIMIT(1, "Unknown code:%u jt:%u tf:%u k:%u\n",
+                                      fentry->code, fentry->jt,
+                                      fentry->jf, fentry->k);
                        return 0;
                }
        }