net: ratelimit warnings about dst entry refcount underflow or overflow
authorKonstantin Khlebnikov <khlebnikov@yandex-team.ru>
Fri, 17 Jul 2015 11:01:11 +0000 (14:01 +0300)
committerDavid S. Miller <davem@davemloft.net>
Tue, 21 Jul 2015 07:11:19 +0000 (00:11 -0700)
commit8bf4ada2e21378816b28205427ee6b0e1ca4c5f1
treed0422c066f7e392f4fcbee512a2662cc4955f7da
parentb8a23e8d8e31abeda2f6cfa36a772414b2a86ffc
net: ratelimit warnings about dst entry refcount underflow or overflow

Kernel generates a lot of warnings when dst entry reference counter
overflows and becomes negative. That bug was seen several times at
machines with outdated 3.10.y kernels. Most like it's already fixed
in upstream. Anyway that flood completely kills machine and makes
further debugging impossible.

Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/core/dst.c