From: Trond Myklebust Date: Wed, 11 Mar 2009 00:33:16 +0000 (-0400) Subject: SUNRPC: Tighten up the task locking rules in __rpc_execute() X-Git-Tag: v2.6.29~43^2~9 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=eb9b55ab4d73280597fd183b367d50452f4d7846;p=pandora-kernel.git SUNRPC: Tighten up the task locking rules in __rpc_execute() We should probably not be testing any flags after we've cleared the RPC_TASK_RUNNING flag, since rpc_make_runnable() is then free to assign the rpc_task to another workqueue, which may then destroy it. We can fix any races with rpc_make_runnable() by ensuring that we only clear the RPC_TASK_RUNNING flag while holding the rpc_wait_queue->lock that the task is supposed to be sleeping on (and then checking whether or not the task really is sleeping). Signed-off-by: Trond Myklebust --- Reading git-diff-tree failed