From: Veaceslav Falico Date: Fri, 10 Jan 2014 10:59:44 +0000 (+0100) Subject: bonding: fix __get_first_agg RCU usage X-Git-Tag: v3.14-rc1~94^2~202^2~1 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=768b954922e69a92a363bd4041cb93040ae4e9cf;p=pandora-kernel.git bonding: fix __get_first_agg RCU usage Currently, the RCU read lock usage is just wrong - it gets the slave struct under RCU and continues to use it when RCU lock is released. However, it's still safe to do this cause we didn't need the rcu_read_lock() initially - all of the __get_first_agg() callers are either holding RCU read lock or the RTNL lock, so that we can't sync while in it. Fixes: be79bd048 ("bonding: add RCU for bond_3ad_state_machine_handler()") CC: dingtianhong@huawei.com CC: Jay Vosburgh CC: Andy Gospodarek Signed-off-by: Veaceslav Falico Signed-off-by: David S. Miller --- Reading git-diff-tree failed