tree 1b192aa077560200400b7247f04360befb9f92c4
parent a85e245a09c028d36cbf04f233be10bc583691f5
author Richard Fitzgerald <rf@opensource.wolfsonmicro.com> 1382439118 +0100
committer Eric Laurent <elaurent@google.com> 1394056177 -0800

compress: compress_wait() must return error if timed out

The caller must be certain that a return of 0 really means
that compress is ready for more data, so when poll() returns
0 for a timeout we must report that as an error.

Bug: 12823671.

Change-Id: I5d05ef837d9e41e5155550aab8f94f888251dc37
Signed-off-by: Richard Fitzgerald <rf@opensource.wolfsonmicro.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>