From: Hannes Frederic Sowa <hannes@stressinduktion.org>
Date: Sat, 6 Dec 2014 18:19:42 +0000 (+0100)
Subject: dst: no need to take reference on DST_NOCACHE dsts
X-Git-Tag: omap-for-v3.19/fixes-rc1~125^2~44
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=dbfc4fb7d578d4f224faa6b60deb40804dfdc1b1;p=pandora-kernel.git

dst: no need to take reference on DST_NOCACHE dsts

Since commit f8864972126899 ("ipv4: fix dst race in sk_dst_get()")
DST_NOCACHE dst_entries get freed by RCU. So there is no need to get a
reference on them when we are in rcu protected sections.

Cc: Eric Dumazet <edumazet@google.com>
Cc: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Reviewed-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: David S. Miller <davem@davemloft.net>
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