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H A Dsched.cdiff b55c59892e1f3b6c7d4b9ccffb4263e1486fb990 Thu Jul 07 01:58:23 CEST 2011 Trond Myklebust <Trond.Myklebust@netapp.com> SUNRPC: Fix a race between work-queue and rpc_killall_tasks

Since rpc_killall_tasks may modify the rpc_task's tk_action field
without any locking, we need to be careful when dereferencing it.

Reported-by: Ben Greear <greearb@candelatech.com>
Tested-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: stable@kernel.org