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Date: Mon, 14 May 2012 22:13:16 -0400 From: Paul Gortmaker <paul.gortmaker@...driver.com> To: <stable@...nel.org>, <linux-kernel@...r.kernel.org> Subject: [34-longterm 100/179] net: filter: Use WARN_RATELIMIT From: Joe Perches <joe@...ches.com> ------------------- This is a commit scheduled for the next v2.6.34 longterm release. http://git.kernel.org/?p=linux/kernel/git/paulg/longterm-queue-2.6.34.git If you see a problem with using this for longterm, please comment. ------------------- commit 6c4a5cb219520c7bc937ee186ca53f03733bd09f upstream. 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@...delatech.com> Signed-off-by: Joe Perches <joe@...ches.com> Signed-off-by: David S. Miller <davem@...emloft.net> Signed-off-by: Paul Gortmaker <paul.gortmaker@...driver.com> --- net/core/filter.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/net/core/filter.c b/net/core/filter.c index 2bc5376..85d1340 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -292,7 +292,9 @@ load_b: mem[f_k] = X; 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; } -- 1.7.9.6 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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