mei: bus: call mei_cl_read_start under device lock
Ensure that mei_cl_read_start is called under the device lock also in the bus layer. The function updates global ctrl_wr_list which should be locked. Cc: <stable@vger.kernel.org> #4.4+ Signed-off-by: NAlexander Usyskin <alexander.usyskin@intel.com> Signed-off-by: NTomas Winkler <tomas.winkler@intel.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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