From: Fan Wu <wufan@xxxxxxxxxxxxxx>Reviewed-by: Hemant Kumar <hemantk@xxxxxxxxxxxxxx>
Currently ENOMEM is returned when MHI ring is full. This error code is
very misleading. Change to EAGAIN instead.
Signed-off-by: Fan Wu <wufan@xxxxxxxxxxxxxx>
Signed-off-by: Jeffrey Hugo <jhugo@xxxxxxxxxxxxxx>
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