tree 67b264d59a72d79e94302b760f591348ecfc0d70
parent dd37eed7db0f7607fa41887c11c1e428faa15d0c
author Alexander Usyskin <alexander.usyskin@intel.com> 1486507305 +0200
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1486736444 +0100

mei: remove support for broken parallel read

Parallel reads from multiple threads on a file descriptor
are not well defined and racy. It is safer to return to original
behavior and simply fail the additional read.
The solution is to remove request for next read credit.

Cc: <stable@vger.kernel.org> #4.9
Fixes: ff1586a7ea57 ("mei: enqueue consecutive reads")
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>