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Subject[PATCH 2/2] net: filter: Use WARN_RATELIMIT
Date
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>
---
net/core/filter.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/net/core/filter.c b/net/core/filter.c
index 0eb8c44..0e3622f 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -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;
}
}
--
1.7.5.rc3.dirty


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