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(parent: 809eb66) | patch
SUNRPC: Fix a race between work-queue and rpc_killall_tasks
authorTrond Myklebust <Trond.Myklebust@netapp.com>
Wed, 6 Jul 2011 23:58:23 +0000 (19:58 -0400)
committerGreg Kroah-Hartman <gregkh@suse.de>
Mon, 8 Aug 2011 17:23:07 +0000 (10:23 -0700)
commita05061d6d457e200808514e37cae4bed805c860d
tree2a8ca6e04020048f21215074d15fb79d5610a47btree | snapshot
parent809eb666e84ba6628ab0c92b2104644685069ef3commit | diff
SUNRPC: Fix a race between work-queue and rpc_killall_tasks

commit b55c59892e1f3b6c7d4b9ccffb4263e1486fb990 upstream.

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
net/sunrpc/sched.c diff | blob | history
Linux kernel for KaRo TX COM modules