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Subject[006/107] net: filter: Use WARN_RATELIMIT
2.6.39-stable review patch.  If anyone has any objections, please let us know.

------------------

From: Joe Perches <joe@perches.com>

[ Upstream commit 6c4a5cb219520c7bc937ee186ca53f03733bd09f ]

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
net/core/filter.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -409,7 +409,9 @@ 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;
}
}



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