tree 1fbcb0cd1febf70dc6ae6ded0e3b98ae738c1ef8
parent 2bea038c52e88badbbd5b420c1de918f7f2579e9
author Trond Myklebust <Trond.Myklebust@netapp.com> 1309996703 -0400
committer Trond Myklebust <Trond.Myklebust@netapp.com> 1310085937 -0400

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